JP5035645B2 - Fruit tree covering sheet and simple house for fruit tree cultivation provided with fruit tree covering sheet - Google Patents

Description

  The present invention is an abnormal increase in internal temperature with good breathability without rain on the fruit in the field cultivation of fruit trees cultivated in a row such as citrus fruits, peaches, pears, apples, and other various fruit trees It is related with the simple house for fruit tree cultivation provided with the fruit tree covering sheet | seat which can cover a fruit tree stably, and the fruit tree covering sheet | seat is avoided.

Conventionally, in citrus cultivation such as Wenzhou oranges, Iyokan, Shiranui, Kiyomi Tangor, Tarocco, etc., house cultivation has been carried out to prevent rain damage, insect damage, wildlife damage, fading, etc., to promote growth, and to adjust sugar content. As for this kind of house, it is common to use the thing of a fixed shape which has a pillar, a beam, and a roof as shown to patent documents 1-3. The houses described in Patent Documents 1 to 3 have a problem in that they require pillars, require time and labor for assembly and dismantling, and press the management of fruit tree producers by increasing costs. Therefore, the inventor of the present application uses a single sheet as a transparent mesh sheet having a breathability and rain-preventing function in the center in the width direction, and a mesh sheet having both sides of a breathability and light-shielding property than the mesh sheet in the center. Using a fruit tree covering sheet that is divided into the center and both sides in the width direction according to function, a rope is stretched laterally in the shape of a truss on the side of the fruit tree group, and the fruit tree group is formed with a single sheet by also meeting the front and rear. A simple fruit tree house arranged in a lump inside was invented, and a patent application was filed as Japanese Patent Application No. 2009-282174.
In the invention disclosed in Japanese Patent Application No. 2009-282174, when used for a shiranui having a protrusion (commonly known as deco) having a depression at the center, rainwater falls directly on the fruit and protrudes from the side sheet. Rainwater collects in the dent part (deco dent part). Shiranui has a structure that has a connection part with a branch in the center of the depression part of the protrusion, and the fruit is hanging on the branch, and the strength of the connection part between the branch and the fruit is short-term by storing rainwater in the protrusion part. However, the fruit fell shortly before harvesting, and there was a problem that it could not be commercialized. In particular, late citrus fruits are heavily damaged because the harvest season in February is a period of heavy rainfall.
JP 2009-144368 A JP 20039674 A Japanese Utility Model Publication No. 6-86441

  The present invention was devised in view of the above-mentioned problems of the prior art, and avoids rain on the fruit by using a sheet having air permeability and rain-preventing function in the range where the ceiling sheet part and the fruit grow. In addition, a sheet having high breathability and water permeability is used in a range from the lower part where the fruit does not grow to a predetermined position on the ground surface, and the sheet having the breathability and rain protection function provided in the range where the fruit grows. A window sheet is provided at the top of the window to provide an exhaust function, avoiding the passage of rain from the window sheet, and providing an air escape route that enters from the bottom and reflects off the ground surface so that the course is upward. Therefore, an object of the present invention is to provide a fruit tree cover sheet in which an opening / closing sheet having a rain protection function is attached to a window sheet part so as to be covered, and a fruit tree cultivation simple house equipped with the fruit tree cover sheet.

The invention according to claim 1 is arranged to cover a group of fruit trees cultivated in a row in order to protect the fruits just before harvesting from rain damage and bird damage, and to cover the fruits just before harvesting by insect damage. In order to protect from the ground surface, a fruit tree covering sheet having a size capable of covering the ground surface by covering the ground surface with a predetermined lateral width at both left and right ends of the sheet so that there is no gap between the ground surface and the sheet The window sheet portion having the opening and closing sheets on the left and right sides, the rain protection sheet portion, and the air introduction sheet portion are substantially symmetrically arranged in the left and right sides, the ceiling sheet portion, the window sheet portion. The rain protection sheet portion and the air introduction sheet portion each have a predetermined lateral width and are formed in the same width band extending in the front-rear direction, and the ceiling sheet portion has a predetermined lateral width capable of covering the top of a row of fruit trees. And seats with rain protection The window sheet part is made of a sheet having a water permeability and a high air permeability function than the ceiling sheet part, and is located on the left and right sides of the upper part of the fruit tree when the fruit tree covering sheet is attached to one row of fruit tree groups. Opening and closing sheets are attached to the left and right edges of the ceiling sheet part so that the entire window sheet part can be covered from the ceiling sheet part side of the window sheet part, and the opening and closing sheet is made of a sheet having air permeability and rain protection functions. The rain protection sheet portion is made of a sheet having air permeability and rain prevention function, and covers the area where the fruit is growing on the side of the fruit tree when the fruit tree covering sheet is attached to the row of fruit trees. The air introduction sheet portion is made of a sheet having water permeability and a higher air permeability than the ceiling sheet portion, and when the fruit tree covering sheet is attached to a row of fruit trees, Fruit growing From the position corresponding to the left and right edges of the sheet, the air that has entered the fruit tree covering sheet from the air introduction sheet part and warmed and opened up opens the opening and closing sheet from the inside of the sheet part, and the window sheet part It is characterized by being exhausted from the outside to the outside.
The invention according to claim 2 is arranged to cover a group of fruit trees cultivated in a row in order to protect the fruits just before harvesting from rain damage and bird damage, and to cover the fruits just before harvesting by insect damage. In order to protect from the ground surface, a fruit tree covering sheet having a size capable of covering the ground surface by covering the ground surface with a predetermined lateral width at both left and right ends of the sheet so that there is no gap between the ground surface and the sheet The rain sheet and air introduction sheet sections are substantially symmetrically arranged on both the left and right sides, with the ceiling sheet section, the rain protection sheet section, and the air introduction sheet section each having a predetermined width. The ceiling sheet portion is formed of a sheet having a predetermined lateral width capable of covering the tops of a group of fruit trees and having a breathability and rain protection function. The part has breathability and rain protection It has a width that can cover the area where the fruit grows on the side of the fruit tree when the fruit tree covering sheet is attached to a group of fruit trees, and it is a rain protection sheet. A window sheet portion having a water permeability and a high air permeability function than the ceiling sheet portion is provided at a predetermined interval in the front-rear direction on the ceiling sheet portion side, and the window sheet portion from the ceiling sheet portion side of the window sheet portion. Opening and closing sheets are attached to the left and right edges of the ceiling sheet so that the entire surface can be covered, and the opening and closing sheet is made of a sheet having air permeability and rain-preventing function. It consists of a sheet having a high air permeability function and is arranged from the position corresponding to the part where no fruit is grown to the left and right edges of the sheet when the fruit tree covering sheet is coated and attached to a group of fruit trees, Air introduction sheet Luo air warmed rose enters the inside of the fruit cover sheet, to open the opening and closing sheet from the inside of the window seat, it is characterized in that so as to be exhausted from the window seat to the outside.
The invention according to claim 3 is arranged to cover a group of fruit trees cultivated in a line in order to protect the fruit just before harvesting from rain damage and bird damage, and to cover the fruit just before harvesting by insect damage. In order to protect from the ground surface, a fruit tree covering sheet having a size capable of covering the ground surface by covering the ground surface with a predetermined lateral width at both left and right ends of the sheet so that there is no gap between the ground surface and the sheet The ceiling sheet portion is centered, and air introduction sheet portions are partitioned on the left and right sides, and the ceiling sheet portion and the air introduction sheet portion are each formed in the same width band shape having a predetermined lateral width and extending in the front-rear direction. The section is made of a sheet having a predetermined lateral width capable of covering the top of a group of fruit trees and having a rain-preventing function, and the air introduction sheet section has a water permeability and a function of higher ventilation than the ceiling sheet section. Consists of sheets When a fruit tree cover sheet is attached to a group of fruit trees, it is arranged from the position corresponding to the part where the fruit is grown to the left and right edges of the sheet, and the fruit is covered in the ceiling sheet. An opening / closing sheet continuous from the section is provided so as to be able to cover the upper surface of the air introduction sheet, the opening / closing sheet is made of a sheet having air permeability and rain prevention function, and from the portion of the air introduction sheet section that is not covered with the opening / closing sheet The air that has entered the inside of the fruit tree covering sheet and has been heated and raised opens the opening / closing sheet from the inside of the air introduction sheet portion, and is exhausted to the outside.
The invention according to claim 4 is a fruit tree covering sheet comprising the fruit tree covering sheet according to any one of claims 1, 2, or 3, an anchor pile, a wire rope, a breaker rope, an S-shaped hook and a rope. A simple house for fruit tree cultivation, comprising anchor piles spaced apart from each other along a position surrounding a group of fruit trees on the ground, and the anchor pile heads protruding from the ground surface. A wire rope is stretched between the heads of each of them, and a frame is provided with a wire rope on the ground surface corresponding to a position surrounding a group of fruit trees. The lower S-shaped hooks are respectively attached to the left and right edges of the ceiling sheet portion of the fruit-covering sheet, and the upper S-shaped hooks are attached at predetermined distances in the length direction. Along the length direction Wire rope, anchor pile, zigzag on the upper S-shaped hook and attached in the shape of a truss in the side view. The left and right sides of a group of fruit trees are covered with ropes respectively, and the left and right edges of the seat part are in contact with the ground surface, and the left and right sides of the ceiling sheet part. The front end portion and the rear end portion of the seat portion continuously arranged in the direction are arranged in front and rear of the row of fruit trees to cover and close the front and rear of the row of fruit trees, respectively. In order to prevent the part from drooping due to strong winds and invading birds, a breaker rope is bridged between the lower S-shaped hooks that are paired on the left and right between the front and rear fruit trees in a row of fruit trees. To do.

The present invention has a small number of parts, such as a single sheet, a rope and a hook, and can assemble a simple house for fruit tree cultivation having a side surface by an extremely simple operation, so it is possible to reduce costs and reduce the weight of the house. There is an effect that there is. Also, since the entire row of fruit trees is wrapped together from the ground surface around the line of fruit trees with a single sheet, the assembly and removal of the house is extremely simple and the workability is improved. It is advantageous in that it is economical because it is possible to reconstruct parts of a simple house for fruit tree cultivation that has been removed from a group of fruit trees that have already been harvested into fruit trees that are approaching the harvest period and reuse them.
The opening and closing sheet is superposed on the upper surface of the window sheet part having a water-repellent function so that the window is closed or separated from the window sheet part. As a result, the opening and closing sheet overlaps with the window sheet portion and closes, so that rainwater does not fall on the fruit.
Air (wind) that blows into the simple house for fruit tree cultivation from the sheet arrangement range having the water permeability and high air permeability function at the lower part of the seat by strong wind, collides with the ground surface and reflects and the movement direction is upward, The open / close sheet is separated from the outer surface of the window sheet portion by the wind force and is exhausted from the window sheet portion, so that there is an effect that the strong house for fruit tree cultivation is not blown away or damaged by the strong wind.

  One sheet is divided into strips with different functions on the left and right sides centering on the ceiling sheet, and in the area where the ceiling sheet and fruit grow, air permeability and rain protection are avoided. Use a sheet having a function, use a sheet having high air permeability and water permeability in the range from the lower part where the fruit does not grow to the ground surface, and wind on the upper part of the sheet part provided in the area where the fruit grows. In order to provide an exhaust function as an escape route, the opening and closing sheet having a rain-preventing function is provided in the seat portion having a water permeability function, thereby realizing that the fruit does not rain and does not fall. In addition, a wind escape route that is reflected from the bottom of the seat and reflected off the ground surface and the direction of air movement in the house is diagonally upward is used as the window seat. It was realized that a simple house for fruit tree cultivation was stably installed without being blown away by strong winds by preventing windows from falling on the fruits.

A first embodiment shown in FIGS. 1 to 9 will be described.
The fruit tree covering sheet 1 is a narrow band-shaped window sheet portion provided with opening and closing sheets 3 and 3 on the left and right sides of the ceiling sheet portion 2 with a predetermined lateral width and being long in the front-rear direction. 4, 4 and the belt-shaped rain protection sheet portions 5 and 5 and the belt-shaped air introduction sheet portions 6 and 6 are integrally connected in the lateral direction so as to be bilaterally symmetric so as to wrap up a row of fruit trees. Are formed so as to exhibit a rectangular shape in plan view. The ceiling sheet part 2, the window sheet part 4, the rain protection sheet part 5 and the air introduction sheet part 6 are set to have the same length in the front-rear direction. Specifically, the window sheet portions 4 and 4 provided with the opening and closing sheets 3 and 3 at the left and right outer edges of the ceiling sheet portion 2 with the ceiling sheet portion 2 as the center, and the rain protection on the outer edges of the window sheet portions 4 and 4. The air introduction sheet parts 6 and 6 are successively connected to the outer edge of the rain protection sheet parts 5 and 5 in order to form the sheet parts 5 and 5, and the window sheet is symmetric about the horizontal center line of the ceiling sheet part 2. When the part 4, the rain protection sheet part 5 and the air introduction sheet part 6 are arranged to form one rectangular fruit tree covering sheet 1 and wrapped with a row of fruit trees inside, the left and right side edges are It is preferable that at least 30 cm or more is placed on the ground from the viewpoint of preventing bird entry. The means for integrally connecting the ceiling sheet part 2, the opening and closing sheet 3, the window sheet part 4, the rain protection sheet part 5 and the air introduction sheet part 6 may be any means such as sewing or heat fusion. Good.

  The ceiling sheet portion 2 disposed in the laterally central portion of the fruit tree covering sheet 1 has a width slightly longer than the diameter including the branches and leaves as viewed from the plane of the fruit tree 7, and is the foremost position in the row of fruit trees. The fruit tree 7 and the last position fruit tree 7 are formed in a strip shape having a length covering the front and back surfaces. The ceiling sheet part 2 needs to have air permeability and a rain protection function. The reason why the ceiling sheet part 2 requires a rain-preventing function is that fruit trees such as Shiranui, when rainwater accumulates in the top of the head, which is the connection part between the branches and the fruit, reduces the connection strength of the connection part and the fruit falls. Because it is impossible to harvest, it is necessary to avoid rain on the fruit. As shown in FIG. 2, the ceiling sheet portion 2 uses flat tape-like yarn made of synthetic resin such as transparent polyethylene having water resistance, chemical resistance, and high durability for the warp 8 and the weft 9. It is preferable from the viewpoint of exhibiting air permeability and a rain-preventing function that weaves 9 are interlaced to weave plain weaves and heat-welded the intersections of warp yarns 8 and weft yarns 9 are used. Specifically, it is conceivable to heat weld the intersecting portion of a plain weave that uses a tape-like yarn having a lateral width of about 3 to 15 mm and the interval between adjacent yarns is about 0.5 to 5.0 mm. . The intersecting portion between the warp yarn 8 and the weft yarn 9 made of a flat tape-shaped yarn made of synthetic resin may not be thermally welded. For those that do not thermally weld the intersection, it is preferable to use yarns having a width of about 1 to 10 mm and woven into a high-density plain weave having a yarn interval of about 0.1 to 3.0 mm. The ceiling sheet portion 2 that has been heat-welded and formed into a film as a whole does not have the texture of the ceiling sheet portion 2 partially expanded during the covering operation of the fruit tree covering sheet 1 to the fruit tree group, It is suitable because it has a high shape retention capability, is easy to handle, has good workability on the fruit tree group, and has both air permeability and rain protection functions. The ceiling sheet portion 2 is not limited to a flat-woven sheet made of synthetic resin flat tape-like yarn, it is sufficient if it has air permeability and rain-preventing function, and it is colored according to the fruit tree 7 to be used. It may be.

  The window sheet portion 4 needs to have water permeability and higher air permeability than the ceiling sheet portion 2 and is made of a net having a shape corresponding to the application. The window sheet portion 4 is mainly made of a material having chemical resistance and high durability such as polyethylene, and the shape of the net, the material, and the mesh size differ depending on the application. As the net used for the window sheet portion 4, as shown in FIG. 3, a net-like knitted fabric that is warped and knitted as an insertion thread 11 on a chain stitch 10 that is continuous in the warp direction is used. The adjustment of the air permeability of the window sheet portion 4 is performed by adjusting the density between the adjacent insertion yarns 11 and 11 spanning between the stitch rows 10 and 10 and changing the shape of the knitted fabric. The light shielding property of the window sheet portion 4 is adjusted by adjusting the density between the adjacent insertion yarns 11, 11 spanning between the stitch rows 10, 10 facing each other, and adjusting the coloring of the yarn used as the insertion yarn 11. In order to make the window sheet portion 4 have light-shielding and heat-shielding properties, the color of the yarn used for the mesh knitted fabric is gray, white, or the surface of the yarn is silver by aluminum vapor deposition, or the insertion yarns 11, 11 This is done by adjusting the gap between them.

  The opening / closing sheet 3 is made of a sheet made of a material having air permeability and rain prevention functions, and is provided so as to cover the entire surface of the window sheet portion 4. When the open / close sheet 3 is closed, the outer edge of the open / close sheet 3 is positioned on the left and right outer sides of the left and right outer edges of the window sheet portion 4 so that the entire surface of the window sheet portion 4 can be covered, The opening / closing sheet 3 is formed wider than the seat portion 4. In Example 1, as shown in FIG. 1, the edge part by the side of the ceiling sheet part 2 among the surface sides of the window sheet part 4 is superposed | polymerized on the back surface side of the ceiling sheet part 2, and a ceiling sheet part is carried out to this superposition | polymerization part. Two adhesive portions 12, 12 having a 90 ° angle with the two front and rear edges and slightly spaced apart in the left-right direction and extending in the front-rear direction are provided in parallel with each other. The space is formed with the rope insertion part 13. As shown in FIG. 4, in Example 1, the bonding portion 12 integrally bonds the window sheet portion 4 and the ceiling sheet portion 2 using the adhesive 14. It is not limited to using 14. It is also included in the present invention that the window sheet portion 4 and the ceiling sheet portion 2 are continuously provided by means such as heat sealing. The sheet constituting the ceiling sheet portion 2 extends continuously from the left and right side edges of the ceiling sheet portion 2 to the left and right outer sides, and the outer portion of the rope insertion portion 13 forms the opening / closing sheet 3. An S-shaped hook attachment rope 15 is inserted and attached to the rope insertion portion 13.

  The rain protection sheet portion 5 has a width that can cover a range where the fruit of the fruit tree 7 is grown, and is continuously provided on the left and right outer edges of the window sheet portions 4 and 4. The rain protection sheet portion 5 is made of a material having air permeability and rain protection function, similar to the ceiling sheet portion 2, and is made of, for example, a flat made of a synthetic resin such as transparent polyethylene having water resistance, chemical resistance, and high durability. As shown in FIG. 2, the tape-shaped yarn is used for the warp 8 and the weft 9, and the warp 8 and the weft 9 are interlaced to form a plain weave, and the warp 8 and the weft 9 cross-welded are used. However, it is preferable from the viewpoint of exhibiting air permeability and rain protection function.

  When used for a row of fruit trees, the air introduction sheet portion 6 has a width that is approximately 30 cm from the lower portion of the fruit tree 7 where no fruit is grown to the grounding portion, and has the maximum width of the fruit tree covering sheet 1. Arranged on the outer side. The air introduction sheet portion 6 is a sheet having water permeability and a breathability higher than that of the ceiling sheet portion 2, and is mainly made of a material having chemical resistance and high durability such as polyethylene, and is a mesh having a water permeability. It becomes more. For example, as shown in FIG. 3, a net-like knitted fabric that is warp knitted as an insertion thread 11 is used as a chain stitch 10 that is continuous in the warp direction. The air permeability of the air introduction sheet portion 6 is adjusted by adjusting the density between the adjacent insertion yarns 11 and 11 spanning between the stitch rows 10 and 10 and changing the shape of the knitted fabric.

Next, a simple house for fruit tree cultivation provided with a fruit tree covering sheet will be described.
On the left and right side ground of one row of fruit trees, the heads of the anchor piles 16 are driven into the ground while being spaced apart from each other by a predetermined distance along the direction of the fruit trees and about 5 cm above the ground surface. This is because the wire rope 17 can be easily engaged and disengaged from the anchor pile 16 head. Wire ropes 17 are sequentially wound around the heads of adjacent anchor piles 16 and are connected and stretched, and a frame is formed on the ground surface with the wire ropes 17 so as to surround the circumference of a row of fruit trees. . An upper S-shaped hook 18 is detachably suspended from the S-shaped hook mounting rope 15 at a predetermined interval along the length direction. As shown in FIGS. 4 and 5, the upper S-shaped hook 18 is bent in opposite directions from each other at the same position from both ends of a single wire, and the bent portion functions as a hook. Yes.
As shown in FIG. 6, the rope insertion part 13 of the ceiling sheet part 2 is a fold, the sheet parts on both the left and right sides of the ceiling sheet part 2 are folded on the upper surface of the ceiling sheet part 2, and the folded fruit tree covering sheet 1 is It mounts so that the back surface of the ceiling sheet | seat part 2 may contact | abut to the top part of the row of fruit trees. Both ends of the rope 19 are wound around the anchor pile 16 located at the foremost part and the anchor pile 16 located at the rearmost part of the row of fruit trees, respectively, and the middle part of the rope 19 has an upper S-shaped hook 18 and a wire rope 17. The side view has a zigzag truss shape up and down. The window sheet part 4, the rain protection sheet part 5, and the air introduction sheet part 6 hang down to the left and right sides of the row of fruit trees through the rope 19 laid in a truss shape in the side view. The outside of the rope 19 spanned in the shape of a truss in side view is covered with the rain protection sheet portion 5 and the air introduction sheet portion 6. The left and right ends of the air introduction sheet portion 6 are attached to the wire rope 17 with fasteners 20. It is preferable that the left and right end portions of the air introduction sheet portion 6 crawl the ground for a length of about 30 cm or more from the position in contact with the ground surface. If the ground contact length of the left and right ends of the air introduction sheet 6 is about 30 cm or more, no harmful birds, pests or pests can enter the simple house for fruit tree cultivation between the air introduction sheet 6 and the ground surface. This is possible.
In the front and rear of the row of fruit trees, the opposite end portions of the rain protection sheet portion 5 and the air introduction sheet portion 6 are arranged to overlap each other, and the overlap portions are fastened by the fasteners 20 respectively. The front and rear of the fruit tree group are covered and blocked.
In addition, one end of the lower S-shaped hook 21 is attached to the left and right opposing positions corresponding to the space between the front and rear fruit trees 7 and 7 in the row of fruit trees in the frame made of the wire rope 17. The other end of the lower S-shaped hook 21 penetrates the stitch of the net air introduction sheet portion 6 and is drawn from the lower surface side of the air introduction sheet portion 6 to the upper surface side. Between the opposite opposite ends of the drawn lower S-shaped hook 21, a breaker rope 22 is bridged between the front and rear fruit trees 7, 7 out of a group of fruit trees, and the fruit tree covering sheet 1 is pressed from above to produce fruit trees. The simple house is not blown away by strong winds.

The simple house for fruit tree cultivation which provided the fruit tree covering sheet 1 of the said structure covers the upper part of the fruit tree group of 1 row with the ceiling sheet part 2 which has a rain-proof function, and the rain-proof sheet part which has a rain-proof function on the side 5 and an air introduction sheet portion 6, and a window sheet portion 4 having an opening / closing sheet 3 is provided on the ceiling sheet portion 2 side of the rain protection sheet portion 5. Therefore, rain flows from the ceiling sheet part 2 through the opening / closing sheet 3 and the rain protection sheet part 5, falls to the ground from the stitches of the air introduction sheet part 6, and rainwater is not directly applied to the fruit tree 7. The water supply in the ground near the root of the fruit tree 7 is small, the fruit has a high sugar content, it is delicious, the fruit does not become a big ball, it has an aesthetic appearance, and the fruit falls due to heavy rain, hail, etc. and forms scratches on the epidermis There is an effect that the situation to do does not occur. In particular, since late citrus fruits such as Shiranui are harvested after February when the amount of rainfall is high, using a simple house for fruit tree cultivation of this application, high-sugar and intact good fruits will not fall to the optimal harvest time. Since it hangs on a branch in a healthy state, there is an effect that it is possible to harvest a large amount of advanced products.
Further, as shown in FIG. 9, the wind that enters the house from the air introduction sheet portion 6, collides with the ground, reflects, changes the course in the obliquely upward direction, opens the opening / closing sheet 3 from the window sheet portion 4. It floats up and escapes from the window sheet part 4 to the outside. Since the wind is efficiently released to the outside from the window sheet portion 4, the house is not blown off or damaged by the strong wind. In addition, the rope 19 and the fastener 20 attached in the shape of a truss as viewed from the side, the opening of the window sheet portion 4 by the opening and closing sheet 3, and the pressing of the fruit tree covering sheet 1 by the breaker rope 22 from above, even by super strong winds. The simple house for fruit tree cultivation provided with the fruit tree covering sheet has an effect that it is not blown away.
By connecting another fruit tree covering sheet 1 in the length direction of the fruit tree covering sheet 1, it can be used for a long row of fruit tree groups. Usually, several kinds of fruit trees with different harvesting times are cultivated in one fruit tree plantation, but the fruit covering sheet 1 is removed from the fruit tree group that has passed the harvesting period, and only the frame made of the wire rope 17 is left as it is on the ground. And reusing the used fruit cover sheet 1 that has been newly removed from the fruit tree group that has passed the harvest period by forming a frame with another wire rope 17 around the other fruit tree group that has not entered the harvest period. Can do. That is, if only the frame made of the wire rope 17 is provided on the ground, the fruit tree covering sheet 1 can be used many times.

A second embodiment shown in FIG. 10 will be described. In order to simplify the description, the same reference numerals are used to describe the same parts as those in FIGS. The ceiling sheet portion 2 having air permeability and rain-preventing functions is provided with a rain-preventing sheet portion 23 continuously on the left and right outer sides via a rope insertion portion 13. The rain protection sheet portion 23 is formed in a strip shape that is long in the front-rear direction and has a lateral width that covers the fruit-producing range of the fruit trees used from the left and right edges of the ceiling sheet portion 2. An opening having a predetermined width is provided on the ceiling sheet portion 2 side of the rain protection sheet portion 23 so as to be spaced apart at a predetermined interval in the length direction of the rain protection sheet portion 23. The window sheet portion 24 is formed by stretching a net-like sheet having higher water permeability and air permeability than the ceiling sheet portion 2 in these openings. The net-like sheet stretched on the window sheet portion 24 is mainly made of a material having chemical resistance and high durability such as polyethylene, and as shown in FIG. 3, a chain stitch 10 of chain stitches continuous in the warp direction. It is conceivable to use a mesh-like knitted fabric that has been warped and knitted as the insertion thread 11. The opening / closing sheet 3 is made of a sheet made of a material having air permeability and rain prevention functions, and is provided so as to cover the entire surface of the window sheet portion 24. When the open / close sheet 3 is in a closed state, the outer edge of the open / close sheet 3 is located on the left and right outer sides of the left and right outer edges of the window sheet portion 24 so that the entire surface of the window sheet portion 24 can be covered. The width of the opening / closing sheet 3 is longer than the width of 24.
The simple house for fruit tree cultivation provided with the fruit tree cover sheet of Example 2 enters the simple house for fruit tree cultivation from the air introduction sheet part 6, collides with the ground, reflects, changes the direction obliquely upward, The simple house for fruit tree cultivation is not blown away by strong winds because the wind entering the house is released to the outside by releasing the opening / closing sheet 3 from the seat portion 24 and smoothly.

A third embodiment will be described with reference to FIGS.
The ceiling sheet portion 26 disposed in the center of the fruit tree covering sheet 25 is partitioned and disposed in the same width band shape having a lateral width slightly longer than the diameter including the branches and leaves as viewed from the plane of the fruit tree 7. On both the left and right sides of the ceiling sheet portion 26, an air introduction sheet portion 27 having the same width and the same lateral length as the longitudinal length of the ceiling sheet portion 26 and a predetermined lateral width are continuously provided, and formed into a rectangular shape as a whole. ing. The ceiling sheet portion 26 is made of a sheet having air permeability and rain protection function, and uses flat tape-like yarn made of synthetic resin such as transparent polyethylene having water resistance, chemical resistance and high durability for warp and weft. From the viewpoint of exhibiting air permeability and rain-preventing function, it is preferable to use a warp and weft interwoven so that a plain weave is woven and the intersection of the warp and weft is heat-welded. The air introduction sheet portion 27 is made of a sheet having water permeability and a breathability higher than that of the ceiling sheet portion 26, and is mainly made of a material having chemical resistance and high durability such as polyethylene, and has a mesh having a water permeability. It becomes more. The ceiling sheet portion 26 and the air introduction sheet portion 27 are connected to each other by an adhesive means such as sewing or heat sealing. An S-shaped hook attachment rope 28 is attached to the back surface of the air introduction sheet portion 27 on the ceiling sheet portion 26 side. The S-shaped hook attachment rope 28 is attached to the fruit tree covering sheet 25 by passing through the mesh of the air introduction sheet portion 27. An opening / closing sheet 29 having a lateral width that covers the range where the fruit of the fruit tree 7 grows is attached to the boundary between the ceiling sheet part 26 and the air introduction sheet part 27 with a tape 30 provided with an adhesive layer on both sides. The openable and closable sheets 29 and 29 are formed in the same width band shape that is shorter than the longitudinal length of the ceiling sheet portion 26 and the air introduction sheet portion 27. As an example of the fruit tree covering sheet 25 shown in Example 3, the lateral width of the ceiling sheet portion 26 is 270 cm, the lateral width of the air introduction sheet portions 27 and 27 is 250 cm, the lateral width of the opening and closing sheets 29 and 29 is 80 cm, respectively. 29, the linear distance between the outer end edges straddling the ceiling sheet part 26 is 430 cm, the longitudinal length of the ceiling sheet part 26 and the air introduction sheet parts 27, 27 is 130 cm, and the front and rear ends of the air introduction sheet parts 27, 27 The linear distance from the edge to the front and rear end edges of the opening and closing sheets 29, 29 is 150 cm.

The simple house for fruit tree cultivation using the fruit tree covering sheet 25 of Example 3 is demonstrated.
As shown in FIG. 13, on the right and left side ground of one row of fruit trees, they are spaced apart by a predetermined distance along the direction of the fruit trees, and the head of the anchor pile 16 is lifted about 5 cm from the ground surface and driven into the ground. It is. This is because the wire rope 17 can be easily engaged and disengaged from the anchor pile 16 head. Wire ropes 17 are sequentially wound around the heads of adjacent anchor piles 16 and are connected and stretched, and a frame is formed on the ground surface with the wire ropes 17 so as to surround the circumference of a row of fruit trees. . An upper S-shaped hook 18 is detachably hung from the S-shaped hook attaching rope 28 with a predetermined distance along the length direction. The rope 28 for attaching the S-shaped hook of the ceiling sheet portion 26 is a crease, the air introduction sheet portion 27 is folded on the top surface of the ceiling sheet portion 26, and the folded fruit tree covering sheet 25 is placed on the top of the row of fruit trees. It is placed so that the back surface of the ceiling sheet portion 26 abuts. Both ends of the rope 19 are wound around the anchor pile 16 located at the foremost part and the anchor pile 16 located at the rearmost part of the row of fruit trees, respectively, and the middle part of the rope 19 has an upper S-shaped hook 18 and a wire rope 17. The side view has a zigzag truss shape up and down. As shown in FIG. 14, the air introduction sheet portion 27 hangs down to the left and right sides of the row of fruit trees through a rope 19 spanned in a side-view truss shape. Covers the outside of the rope 19 spanned in a truss shape. The left and right ends of the air introduction sheet portion 27 are attached to the wire rope 17 with fasteners 20. It is preferable that the left and right end portions of the air introduction sheet portion 27 crawl the ground for a length of about 30 cm or more from the position in contact with the ground surface. If the ground contact length of the left and right ends of the air introduction sheet portion 27 is about 30 cm or more, harmful birds, pests or pests will not enter the fruit tree cultivation simple house between the air introduction sheet portion 27 and the ground surface. This is possible.
In the front and rear of the row of fruit trees, the opposite end portions of the air introduction sheet portion 27 are put together for polymerization, and the overlapping portions are fastened by the fasteners 20 respectively, so that the front and rear of the row of fruit trees are retained. The coating is occluded.
One end of the lower S-shaped hook 21 is attached to the left and right opposing positions corresponding to the space between the front and rear fruit trees 7 of the row of fruit trees in the frame made of the wire rope 17. The other end of the lower S-shaped hook 21 is pulled out from the lower surface side of the air introduction sheet portion 6 to the upper surface side through the stitches of the net air introduction sheet portion 27. Between the opposite opposite ends of the drawn lower S-shaped hook 21, a breaker rope 22 is bridged between the front and rear fruit trees 7, 7 in the row of fruit trees, and the fruit-covering sheet 25 is pressed from above to produce fruit trees. The simple house is not blown away by strong winds.
When strong wind enters the house from a range not covered with the opening / closing sheet 29 in the air introduction sheet portion 27, the wind collides with the ground, reflects and travels obliquely upward, and opens and closes from the back side of the air introduction sheet portion 27. 29 is moved to the outside to allow the wind to escape from between the air introduction sheet portion 27 and the opening / closing sheet 29.

It is a top view of a fruit tree covering sheet. Example 1 It is an enlarged plan view which shows an example of a ceiling sheet | seat part and an opening / closing sheet | seat. Example 1 It is an enlarged plan view which shows an example of a window sheet | seat part and an air introduction sheet | seat part. Example 1 It is side surface explanatory drawing which shows the state which suspended the S-shaped hook on the rope for upper S-shaped hook attachment attached to the rope insertion part, and hooked the rope on the S-shaped hook. Example 1 It is back surface expansion explanatory drawing which shows the state which hung the upper S-shaped hook on the S-shaped hook attachment rope, and hooked the rope on the upper S-shaped hook. Example 1 It is explanatory drawing which shows the state which mounted the fruit tree covering sheet | seat folded in triple on the fruit tree group of 1 row, and tensioned the rope in the side view zigzag. Example 1 It is explanatory perspective view which shows the use condition which attached the simple house for fruit tree cultivation which comprised the fruit tree cover sheet | seat in the row of fruit trees. Example 1 It is an expanded vertical cross-section explanatory drawing which shows the state which attached the simple house for fruit tree cultivation which comprised the tree covering sheet | seat to the row of fruit trees. Example 1 It is explanatory drawing which shows the locus | trajectory of a wind when the strong wind enters the simple house for fruit tree cultivation, and operation | movement of an opening-and-closing sheet | seat. Example 1 It is a top view of a fruit tree covering sheet. (Example 2) It is a top view of a fruit tree covering sheet. (Example 3) It is composition explanatory drawing which shows the relationship between a ceiling sheet | seat part, an air introduction sheet | seat part, and an opening / closing sheet | seat. (Example 3) It is explanatory drawing which shows the state which mounted the fruit tree covering sheet | seat folded in triple on the fruit tree group of 1 row, and tensioned the rope in the side view zigzag. (Example 3) It is explanatory perspective view which shows the use condition which attached the simple house for fruit tree cultivation which comprised the fruit tree cover sheet | seat in the row of fruit trees. (Example 3)

1, 25 Fruit tree covering sheet 2, 26 Ceiling sheet part 3, 29 Opening and closing sheet 4, 24 Window sheet part 5, 23 Rain-preventing sheet part 6, 27 Air introducing sheet part 7 Fruit tree 16 Anchor pile 17 Wire rope 18 Upper S-shaped hook 19 Rope 21 Lower S-shaped hook 22 Breaker rope

Claims (4)

A group of fruit trees cultivated in a row to protect the fruits just before harvesting from rain damage and bird damage are covered and covered inside, and the ground surface and sheets are protected to protect the fruits just before harvesting from insect damage. In the fruit-covering sheet having a size capable of covering the ground surface by covering the ground surface with a predetermined width on both left and right ends of the sheet so as not to have a gap therebetween,
Centered on the ceiling sheet part, the window sheet part provided with the opening and closing sheets on the left and right sides, the rain protection sheet part, and the air introduction sheet part are partitioned and arranged substantially symmetrically,
The ceiling sheet part, the window sheet part, the rain protection sheet part and the air introduction sheet part are each formed in the same width belt shape having a predetermined lateral width and extending in the front-rear direction,
The ceiling sheet part is composed of a sheet having a predetermined lateral width capable of covering the top of a row of fruit trees and having a breathability and rain protection function,
The window sheet portion is made of a sheet having water permeability and a higher air permeability than the ceiling sheet portion, and is located on the upper left and right sides of the fruit tree when the fruit tree covering sheet is attached to a row of fruit trees. Opening and closing sheets are attached to both left and right edges of the ceiling sheet portion so that the entire surface of the window sheet portion can be covered from the ceiling sheet portion side of the window sheet portion, and the opening and closing sheet has air permeability and rain protection functions. Made up of sheets
The rain protection sheet portion is made of a sheet having air permeability and a rain prevention function, and covers a range where the fruit is growing on the side of the fruit tree when the fruit cover sheet is attached to the row of fruit trees. Has a possible width,
The air introduction sheet portion is composed of a sheet having water permeability and a function of higher air permeability than the ceiling sheet portion, and in a portion where no fruit is grown when a fruit tree covering sheet is attached to a row of fruit tree groups. Arranged from the corresponding position to the left and right edges of the sheet,
The fruit tree cover characterized in that the air that has entered the fruit tree cover sheet from the air introduction sheet part and has risen opens the opening / closing sheet from the inside of the window sheet part and is exhausted to the outside from the window sheet part. Sheet. A group of fruit trees cultivated in a row to protect the fruits just before harvesting from rain damage and bird damage are covered and covered inside, and the ground surface and sheets are protected to protect the fruits just before harvesting from insect damage. In the fruit-covering sheet having a size capable of covering the ground surface by covering the ground surface with a predetermined width on both left and right ends of the sheet so as not to have a gap therebetween,
Centered on the ceiling sheet part, the rain protection sheet part and the air introduction sheet part are arranged substantially symmetrically on the left and right sides,
The ceiling sheet part, the rain protection sheet part and the air introduction sheet part each have a predetermined width and are formed in the same width band extending in the front-rear direction,
The ceiling sheet portion is made of a sheet having a function of air permeability and rain removal with a predetermined width capable of covering the top of a row of fruit trees,
The rain protection sheet portion is composed of a sheet having air permeability and a rain prevention function, and a range in which fruit is grown on the side of the fruit tree when the fruit tree covering sheet is attached to a row of fruit trees. A window sheet portion having a width that can be covered and having a water permeability and a higher air permeability function than the ceiling sheet portion on the side of the ceiling sheet portion of the rain protection sheet portion is separated by a predetermined distance in the front-rear direction. Opening and closing sheets are attached to both left and right edges of the ceiling sheet portion so that the entire surface of the window sheet portion can be covered from the ceiling sheet portion side of the window sheet portion, and the opening and closing sheet has air permeability and rain protection functions. Consisting of a sheet to comprise,
The air introduction sheet portion is composed of a sheet having water permeability and a function of higher air permeability than the ceiling sheet portion, and in a portion where no fruit is grown when a fruit tree covering sheet is attached to a row of fruit tree groups. Arranged from the corresponding position to the left and right edges of the sheet,
The fruit tree cover characterized in that the air that has entered the fruit tree cover sheet from the air introduction sheet part and has risen opens the opening / closing sheet from the inside of the window sheet part and is exhausted to the outside from the window sheet part. Sheet. A group of fruit trees cultivated in a row to protect the fruits just before harvesting from rain damage and bird damage are covered and covered inside, and the ground surface and sheets are protected to protect the fruits just before harvesting from insect damage. In the fruit-covering sheet having a size capable of covering the ground surface by covering the ground surface with a predetermined width on both left and right ends of the sheet so as not to have a gap therebetween,
Centered on the ceiling sheet part, the air introduction sheet part is divided and arranged on both the left and right sides,
The ceiling sheet portion and the air introduction sheet portion are each formed in the same width band shape having a predetermined lateral width and extending in the front-rear direction,
The ceiling sheet part is composed of a sheet having a predetermined lateral width capable of covering the top of a row of fruit trees and having a breathability and rain protection function,
The air introduction sheet portion is composed of a sheet having water permeability and a higher air permeability function than the ceiling sheet portion, and in a portion where fruits are grown when a fruit tree covering sheet is attached to a row of fruit trees. An opening / closing sheet that is disposed from the corresponding position to the left and right edges of the sheet and that is continuous with the ceiling sheet portion is provided to cover the top surface of the air introduction sheet. It consists of a sheet with breathability and rain protection functions,
Air that has entered the inside of the fruit tree covering sheet from the portion that is not covered with the opening / closing sheet in the air introducing sheet portion, opened and opened the opening / closing sheet from the inside of the air introducing sheet portion, and was exhausted to the outside. Fruit tree covering sheet characterized by that. A fruit tree cultivation simple house comprising a fruit tree covering sheet according to any one of claims 1, 2, or 3, an anchor pile, a wire rope, a breaker rope, an S-shaped hook and a rope. And
Along the position surrounding the group of fruit trees on the ground, the anchor piles are separated from each other by a predetermined distance and the heads of the anchor piles are projected from the ground surface,
A wire rope is stretched between the heads of the anchor piles, and a frame is provided with a wire rope on the ground surface corresponding to the position surrounding the row of fruit trees, and the frame is provided between the front and rear fruit trees. Lower S-shaped hooks are attached to left and right facing positions,
Upper and lower S-shaped hooks are attached to the left and right ends of the ceiling sheet portion of the fruit tree covering sheet at a predetermined distance in the length direction,
The rope is attached to the wire rope, the anchor pile, and the upper S-shaped hook zigzag along the length direction of the row of fruit trees in a side view truss shape,
On the outside of the rope stretched in the shape of a truss in side view on the left and right sides, a seat portion connected to the left and right sides of the ceiling seat portion is suspended, and the left and right sides of the row of fruit trees are respectively Covering with a rope, the left and right edges of the sheet portion are in contact with the ground surface,
The front end and the rear end of the seat part connected to the left and right sides of the ceiling seat part meet each other in front and rear of the row of fruit trees to cover the front and rear of the row of fruit trees, respectively. Occluded,
In order to prevent the air introduction sheet portion from drowning up by strong winds and invading birds, a breaker rope was bridged between the lower S-shaped hooks in the left and right pairs between the front and rear fruit trees in a row of fruit trees. A simple house for fruit tree cultivation comprising a fruit tree covering sheet characterized by the above.

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