CN101743869A - Method for controlling weed in direct-sowing dry paddy field - Google Patents
Method for controlling weed in direct-sowing dry paddy field Download PDFInfo
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- CN101743869A CN101743869A CN200910185983A CN200910185983A CN101743869A CN 101743869 A CN101743869 A CN 101743869A CN 200910185983 A CN200910185983 A CN 200910185983A CN 200910185983 A CN200910185983 A CN 200910185983A CN 101743869 A CN101743869 A CN 101743869A
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- paddy field
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- dry paddy
- direct sowing
- seedling
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Abstract
The invention discloses a method for controlling weed in a direct-sowing dry paddy field, which comprises sealed killing treatment through prepared fine spray before germinating, control through prepared pesticide after seedling emergence and matched subsequent field management. The method has the advantages of good control effect, low cost, safety to rice and the like.
Description
Technical field
The present invention relates to agriculture field, specifically is a kind of method of preventing and treating weeds in direct sowing on dry paddy field.
Background technology
Direct sowing on dry paddy field is welcome by the vast farmers friends deeply because of saving labor, area enlarges year by year, and new characteristics have also appearred in the generation of crop smothering, and the problem that weeds are many, difficulty is prevented and kill off is also perplexing friend peasant always.
Summary of the invention
The invention discloses a kind of method of preventing and treating weeds in direct sowing on dry paddy field, have that control efficiency is good, cost is low, characteristics such as rice safeties.
Technical scheme of the present invention is:
A kind of method of preventing and treating weeds in direct sowing on dry paddy field is characterized in that: may further comprise the steps:
(1), closes down before the bud: after the direct sowing on dry paddy field 3-5 days, every mu of usefulness 30% the third careless amine 110-130 milliliters add 10% pyrazosulfuron wetting powder 25-35 gram, and water 55-65 kilogram is mixed with thin spraying, soil is carried out closing down processing before the bud, form one deck medicine film at soil surface;
(2), the seedling rear defence removes: 20-28 days, paddy rice are long during to four or five leaves after the direct sowing on dry paddy field, pour water, highly be 3-5cm, evenly spread fertilizer over the fields after every mu of usefulness 22% benzyl second wetting powder 25-35 gram and urea 5-10kg mix thoroughly then, the height of water conservation between 3-5cm 5-7 days;
(3), the seedling rear defence removes and carries out follow-up field management after 5-7 days.
The method of described control weeds in direct sowing on dry paddy field is characterized in that: described follow-up field management comprises that looking into seedling fills the gaps with seedlings, sees that seedling pours water, appends fertilizer, diseases and pests controlling.
The present invention closes down before by bud, the seedling rear defence removes the method that combines, and obtain good control efficiency, and cost is low, easy to operate, and is pollution-free to crop.
Embodiment
A kind of method of preventing and treating weeds in direct sowing on dry paddy field:
(1), closes down before the bud: after the direct sowing on dry paddy field 3-5 days, every mu of usefulness 30% the third careless amine 110-130 milliliters add 10% pyrazosulfuron wetting powder 25-35 gram, and water 55-65 kilogram is mixed with thin spraying, soil is carried out closing down processing before the bud, form one deck medicine film at soil surface;
(2), the seedling rear defence removes: 20-28 days, paddy rice are long during to four or five leaves after the direct sowing on dry paddy field, pour water, highly be 3-5cm, evenly spread fertilizer over the fields after every mu of usefulness 22% benzyl second wetting powder 25-35 gram and urea 5-10kg mix thoroughly then, the height of water conservation between 3-5cm 5-7 days;
(3), the seedling rear defence removes and to carry out follow-up field management after 5-7 days, follow-up field management comprises that looking into seedling fills the gaps with seedlings, sees that seedling pours water, appends fertilizer, diseases and pests controlling.
Claims (2)
1. method of preventing and treating weeds in direct sowing on dry paddy field is characterized in that: may further comprise the steps:
(1), closes down before the bud: after the direct sowing on dry paddy field 3-5 days, every mu of usefulness 30% the third careless amine 110-130 milliliters add 10% pyrazosulfuron wetting powder 25-35 gram, and water 55-65 kilogram is mixed with thin spraying, soil is carried out closing down processing before the bud, form one deck medicine film at soil surface;
(2), the seedling rear defence removes: 20-28 days, paddy rice are long during to four or five leaves after the direct sowing on dry paddy field, pour water, highly be 3-5cm, evenly spread fertilizer over the fields after every mu of usefulness 22% benzyl second wetting powder 25-35 gram and urea 5-10kg mix thoroughly then, the height of water conservation between 3-5cm 5-7 days;
(3), the seedling rear defence removes and carries out follow-up field management after 5-7 days.
2. the method for control weeds in direct sowing on dry paddy field according to claim 1 is characterized in that: described follow-up field management comprises that looking into seedling fills the gaps with seedlings, sees that seedling pours water, appends fertilizer, diseases and pests controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910185983A CN101743869A (en) | 2009-12-16 | 2009-12-16 | Method for controlling weed in direct-sowing dry paddy field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910185983A CN101743869A (en) | 2009-12-16 | 2009-12-16 | Method for controlling weed in direct-sowing dry paddy field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101743869A true CN101743869A (en) | 2010-06-23 |
Family
ID=42471951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910185983A Pending CN101743869A (en) | 2009-12-16 | 2009-12-16 | Method for controlling weed in direct-sowing dry paddy field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101743869A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429083A (en) * | 2011-03-07 | 2013-12-04 | 住友化学株式会社 | Method for controlling weed in wet rice cultivation |
| CN103947496A (en) * | 2014-05-09 | 2014-07-30 | 湖北亿金农业科技开发有限公司 | Direct sowing cultivation technique for rice |
| CN104885825A (en) * | 2015-05-14 | 2015-09-09 | 中国水稻研究所 | Method for weed control through one-sealing one-supplementing-killing accurately-reduced pesticide application in machine-transplanted rice seedling fields |
| CN110122231A (en) * | 2019-06-18 | 2019-08-16 | 湖南省农业生物技术研究所 | A kind of transplanting rice field exempts to apply the control grass method of chemical herbicide |
-
2009
- 2009-12-16 CN CN200910185983A patent/CN101743869A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429083A (en) * | 2011-03-07 | 2013-12-04 | 住友化学株式会社 | Method for controlling weed in wet rice cultivation |
| CN103429083B (en) * | 2011-03-07 | 2015-11-25 | 住友化学株式会社 | For the method for the weeds in water prevention rice culture |
| CN103947496A (en) * | 2014-05-09 | 2014-07-30 | 湖北亿金农业科技开发有限公司 | Direct sowing cultivation technique for rice |
| CN104885825A (en) * | 2015-05-14 | 2015-09-09 | 中国水稻研究所 | Method for weed control through one-sealing one-supplementing-killing accurately-reduced pesticide application in machine-transplanted rice seedling fields |
| CN110122231A (en) * | 2019-06-18 | 2019-08-16 | 湖南省农业生物技术研究所 | A kind of transplanting rice field exempts to apply the control grass method of chemical herbicide |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100623 |