CN111955296A - Rice dry direct seeding cultivation method - Google Patents
Rice dry direct seeding cultivation method Download PDFInfo
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- CN111955296A CN111955296A CN202010601294.9A CN202010601294A CN111955296A CN 111955296 A CN111955296 A CN 111955296A CN 202010601294 A CN202010601294 A CN 202010601294A CN 111955296 A CN111955296 A CN 111955296A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
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Abstract
The invention belongs to the technical field of crop cultivation, and particularly relates to a dry direct seeding cultivation method for rice. The invention comprises the following steps: (1) soil preparation; (2) seed selection and treatment; (3) sowing; (4) fertilizing; (5) managing water; (6) managing weeds and plant diseases and insect pests; (7) and (6) harvesting. According to the cultivation method, after land preparation, rice seeds are sown on the seedbed to a depth of 0.5-2cm, and the field is kept wet and waterless before the tillering stage, so that the cultivation method is more water-saving compared with the traditional cultivation method, meanwhile, the rice seeds are uniformly sown and then covered with soil, water is not irrigated in the field in the early stage, water is drained in advance in the later stage, the rice seeds are enabled to take roots and sprout in an oxygen-rich environment, the emergence rate and emergence uniformity of the rice seeds can be effectively improved, the lodging resistance and yield in the later stage are obviously improved, the water is drained in advance, and the field drying is beneficial to mechanical harvesting and straw returning, so that the benefit is improved, and the manpower.
Description
Technical Field
The invention belongs to the technical field of crop cultivation, and particularly relates to a dry direct seeding cultivation method for rice.
Background
Rice is one of the main grain crops in China, and the rice production safety is related to the grain production safety in China. The suitable cultivation measures can maximally excavate the yield and the quality potential of the excellent rice variety, improve the production efficiency and reduce the production cost. At present, the traditional intensive-tillage and fine-cropping rice planting mode in China has the problems of irregular seedling quality, slow growth speed and low rice resistance, and further influences the quality and yield of rice, and is gradually uncomfortable to the current rice industry commercial environment, so that the search for a new rice planting mode is of great significance.
Disclosure of Invention
Aiming at the technical problems, the invention aims to provide a dry direct seeding cultivation method for rice, which can ensure that rice seeds can germinate and root in an oxygen-enriched environment, effectively improve the quality of rice seedlings, ensure that the rice grows quickly, and further improve the resistance, the quality and the yield of the rice.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rice dry direct seeding cultivation method comprises the following steps:
(1) land preparation: carrying out land leveling treatment in soil to be sown before sowing;
(2) seed selection and treatment: selecting a rice variety with lodging resistance, large ears and few grasses, and disinfecting by using a seed soaking agent before sowing;
(3) sowing: sowing rice at the average temperature of more than 15 ℃;
(4) fertilizing: applying base fertilizer 2d before sowing, and topdressing after land drying and rehydration;
(5) water content management: after sowing, no water is left on the field surface and the field surface is kept moist; irrigating until tillering stage, and keeping water depth at 10-12 cm; drying the field 5-10 days after the last stage of tillering, and rehydrating to a water depth of 10cm until the field is mature; draining water and drying the field 5-7 days before harvesting;
(6) managing weeds and plant diseases and insect pests: draining water and airing for one week before land preparation, and then killing fallen grains, miscellaneous grains and weeds once by using a herbicide; applying the once-closed herbicide 3 days after sowing, and spraying the once-closed herbicide after the land is dried for rehydration; pest control is carried out according to the actual conditions of the rice planting process;
(7) harvesting: and (5) harvesting the mature rice.
Further, the seed soaking agent in the step (2) is a prochloraz solution with the mass concentration of 5-10 per mill.
Further, the sowing depth of the seeds in the step (3) is 0.5-2.0 cm.
Further, the seeding rate of the seeds in the step (3) is 1.0-1.3kg/667m2。
Further, diammonium hydrogen phosphate is applied to the base fertilizer in the step (4), and the application amount is 10-12kg/667m2。
Further, in the step (4), urea is applied in an additional fertilizer application amount of 20-24kg/667m2。
Further, the herbicide used in the step (6) before land preparation is glyphosate.
Further, the blocked herbicide used in the step (6) is pretilachlor or butachlor.
Preferably, a safener is included in the enclosed herbicide.
Further, in the step (7), when the rice in the field enters a yellow maturity stage, the rice is drained and dried in the sun for more than 10 days, and the rice can be harvested after the soil in the field is hard.
Compared with the prior art, the invention has the following beneficial effects:
according to the cultivation method, after land preparation, rice seeds are sown on the seedbed to a depth of 0.5-2cm, and the field is kept wet and waterless before the tillering stage, so that the cultivation method is more water-saving compared with the traditional cultivation method, meanwhile, the rice seeds are uniformly sown and then covered with soil, water is not irrigated in the field in the early stage, water is drained in advance in the later stage, the rice seeds are enabled to take roots and sprout in an oxygen-rich environment, the emergence rate and emergence uniformity of the rice seeds can be effectively improved, the lodging resistance and yield in the later stage are obviously improved, the water is drained in advance, and the field drying is beneficial to mechanical harvesting and straw returning, so that the benefit is improved, and the manpower.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The materials used in the following examples are all commercially available from conventional sources.
Example 1
A rice dry direct seeding cultivation method comprises the following steps:
(1) land preparation: carrying out land leveling treatment in soil to be sown before sowing;
(2) seed selection and treatment: selecting a rice variety with big lodging resistance and little grain grass, and sterilizing by using a prochloraz solution with the mass concentration of 5 per mill before sowing;
(3) sowing: sowing rice at average temperature of above 15 deg.C, with sowing depth of 0.5cm and sowing amount of 1.0kg/667m2；
(4) Fertilizing: diammonium hydrogen phosphate is applied as base fertilizer 2 days before sowing, and the application amount is 10kg/667m2(ii) a After the sun-dried field is rehydrated, additional fertilizer is applied, urea is applied in the additional fertilizer, and the application amount is 24kg/667m2；
(5) Water content management: after sowing, no water is left on the field surface and the field surface is kept moist; irrigating until tillering stage, and keeping water depth at 10-12 cm; drying the field 5-10 days after the last stage of tillering, and rehydrating to a water depth of 10cm until the field is mature; draining water and drying the field 5-7 days before harvesting;
(6) managing weeds and plant diseases and insect pests: draining water and airing for one week before land preparation, and then killing the fallen grains, miscellaneous grains and weeds once by using glyphosate; pretilachlor or butachlor mixed with a safener is applied once 3 days after sowing, and pretilachlor or butachlor is sprayed once after the farmland is exposed to the sun and rehydrated; pest control is carried out according to the actual conditions of the rice planting process;
(7) harvesting: when the rice in the field is in the yellow maturity stage, the water is drained and the field is sunned for more than 10 days, and the mature rice can be harvested after the field soil is hard.
Example 2
A rice dry direct seeding cultivation method comprises the following steps:
(1) land preparation: carrying out land leveling treatment in soil to be sown before sowing;
(2) seed selection and treatment: selecting rice varieties with big lodging resistance and little grain grass, and sterilizing by using a prochloraz solution with the mass concentration of 8 per mill before sowing;
(3) sowing: sowing rice at an average temperature of above 15 deg.C, wherein the sowing depth is 1.0cm, and the sowing amount is 1.2kg/667m2；
(4) Fertilizing: diammonium hydrogen phosphate is applied as base fertilizer 2 days before sowing, and the application amount is 11kg/667m2(ii) a After the sun-dried field is rehydrated, additional fertilizer is applied, urea is applied in the additional fertilizer, and the application amount is 22kg/667m2；
(5) Water content management: after sowing, no water is left on the field surface and the field surface is kept moist; irrigating until tillering stage, and keeping water depth at 10-12 cm; drying the field 5-10 days after the last stage of tillering, and rehydrating to a water depth of 10cm until the field is mature; draining water and drying the field 5-7 days before harvesting;
(6) managing weeds and plant diseases and insect pests: draining water and airing for one week before land preparation, and then killing the fallen grains, miscellaneous grains and weeds once by using glyphosate; pretilachlor or butachlor mixed with a safener is applied once 3 days after sowing, and pretilachlor or butachlor is sprayed once after the farmland is exposed to the sun and rehydrated; pest control is carried out according to the actual conditions of the rice planting process;
(7) harvesting: when the rice in the field is in the yellow maturity stage, the water is drained and the field is sunned for more than 10 days, and the mature rice can be harvested after the field soil is hard.
Example 3
A rice dry direct seeding cultivation method comprises the following steps:
(1) land preparation: carrying out land leveling treatment in soil to be sown before sowing;
(2) seed selection and treatment: selecting rice varieties with big lodging resistance and little grain grass, and sterilizing by using a prochloraz solution with the mass concentration of 10 per mill before sowing;
(3) sowing: sowing rice at an average temperature of above 15 deg.C, wherein the sowing depth is 2.0cm, and the sowing amount is 1.3kg/667m2；
(4) Fertilizing: diammonium hydrogen phosphate is applied as base fertilizer 2 days before sowing, and the application amount is 12kg/667m2(ii) a Topdressing is carried out after the fields are dried in the sun and rehydrated, urea is applied for topdressing, and the application amount is 20kg/667m2；
(5) Water content management: after sowing, no water is left on the field surface and the field surface is kept moist; irrigating until tillering stage, and keeping water depth at 10-12 cm; drying the field 5-10 days after the last stage of tillering, and rehydrating to a water depth of 10cm until the field is mature; draining water and drying the field 5-7 days before harvesting;
(6) managing weeds and plant diseases and insect pests: draining water and airing for one week before land preparation, and then killing the fallen grains, miscellaneous grains and weeds once by using glyphosate; pretilachlor or butachlor mixed with a safener is applied once 3 days after sowing, and pretilachlor or butachlor is sprayed once after the farmland is exposed to the sun and rehydrated; pest control is carried out according to the actual conditions of the rice planting process;
(7) harvesting: when the rice in the field is in the yellow maturity stage, the water is drained and the field is sunned for more than 10 days, and the mature rice can be harvested after the field soil is hard.
Claims (10)
1. A rice dry direct seeding cultivation method is characterized by comprising the following steps:
(1) land preparation: carrying out land leveling treatment in soil to be sown before sowing;
(2) seed selection and treatment: selecting a rice variety with lodging resistance, large ears and few grasses, and disinfecting by using a seed soaking agent before sowing;
(3) sowing: sowing rice at the average temperature of more than 15 ℃;
(4) fertilizing: applying base fertilizer 2d before sowing, and topdressing after land drying and rehydration;
(5) water content management: after sowing, no water is left on the field surface and the field surface is kept moist; irrigating until tillering stage, and keeping water depth at 10-12 cm; drying the field 5-10 days after the last stage of tillering, and rehydrating to a water depth of 10cm until the field is mature; draining water and drying the field 5-7 days before harvesting;
(6) managing weeds and plant diseases and insect pests: draining water and airing for one week before land preparation, and then killing fallen grains, miscellaneous grains and weeds once by using a herbicide; applying the once-closed herbicide 3 days after sowing, and spraying the once-closed herbicide after the land is dried for rehydration; pest control is carried out according to the actual conditions of the rice planting process;
(7) harvesting: and (5) harvesting the mature rice.
2. The dry direct seeding cultivation method for the rice as claimed in claim 1, wherein the seed soaking agent in the step (2) is a prochloraz solution with a mass concentration of 5-10 per mill.
3. The dry direct seeding cultivation method for the rice as claimed in claim 1, wherein the seeding depth of the seeds in the step (3) is 0.5-2.0 cm.
4. The dry direct seeding cultivation method for rice as claimed in claim 1 or 3, wherein the seeding rate of the seeds in the step (3) is 1.0-1.3kg/667m2。
5. The dry direct seeding cultivation method for rice as claimed in claim 1, wherein diammonium hydrogen phosphate is applied as the base fertilizer in the step (4), and the application amount is 10-12kg/667m2。
6. The dry direct seeding cultivation method for the rice as claimed in claim 1, wherein the step (4) is carried out by applying the urea as the additional fertilizer in an amount of 20-24kg/667m2。
7. The dry direct seeding cultivation method for rice as claimed in claim 1, wherein the herbicide used before preparing the land in the step (6) is glyphosate.
8. The dry direct seeding cultivation method for the rice as claimed in claim 1, wherein the blocked herbicide used in the step (6) is pretilachlor or butachlor.
9. The dry direct seeding cultivation method for the rice as claimed in claim 8, wherein the enclosed herbicide comprises a safener.
10. The dry direct seeding cultivation method for the rice as claimed in claim 1, wherein in the step (7), when the rice in the field enters a yellow maturity stage, the rice is drained and dried in the sun for more than 10 days, and the rice can be harvested after the soil in the field is hard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010601294.9A CN111955296A (en) | 2020-06-29 | 2020-06-29 | Rice dry direct seeding cultivation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508729A (en) * | 2021-08-04 | 2021-10-19 | 黑龙江省农业科学院耕作栽培研究所 | Spring-tillage-free dry direct seeding cultivation method for rice in cold region |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BG35332A1 (en) * | 1980-12-22 | 1984-04-15 | Vnii Risa | Method for rice cultivation |
| RU2372772C1 (en) * | 2008-05-14 | 2009-11-20 | Государственное научное учреждение Приморская научно-исследовательская опытная станция риса | Method of rice cultivation |
| CN101849490A (en) * | 2010-03-05 | 2010-10-06 | 中国水稻研究所 | Aerobic irrigation method of rice |
| CN103947495A (en) * | 2014-05-09 | 2014-07-30 | 湖北亿金农业科技开发有限公司 | Dryland direct sowing cultivation technique for rice |
| CN106508543A (en) * | 2016-12-30 | 2017-03-22 | 沈阳农业大学 | High-yield water-saving cultivation method for rice dry direct seeding |
| CN107148878A (en) * | 2016-03-03 | 2017-09-12 | 宁乡五谷优质稻种植专业合作社 | A kind of direct sowing on dry paddy field cultivation technique |
| CN110199802A (en) * | 2019-06-21 | 2019-09-06 | 宁夏农林科学院农作物研究所（宁夏回族自治区农作物育种中心） | A kind of direct sowing on dry paddy field cultural method |
-
2020
- 2020-06-29 CN CN202010601294.9A patent/CN111955296A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BG35332A1 (en) * | 1980-12-22 | 1984-04-15 | Vnii Risa | Method for rice cultivation |
| RU2372772C1 (en) * | 2008-05-14 | 2009-11-20 | Государственное научное учреждение Приморская научно-исследовательская опытная станция риса | Method of rice cultivation |
| CN101849490A (en) * | 2010-03-05 | 2010-10-06 | 中国水稻研究所 | Aerobic irrigation method of rice |
| CN103947495A (en) * | 2014-05-09 | 2014-07-30 | 湖北亿金农业科技开发有限公司 | Dryland direct sowing cultivation technique for rice |
| CN107148878A (en) * | 2016-03-03 | 2017-09-12 | 宁乡五谷优质稻种植专业合作社 | A kind of direct sowing on dry paddy field cultivation technique |
| CN106508543A (en) * | 2016-12-30 | 2017-03-22 | 沈阳农业大学 | High-yield water-saving cultivation method for rice dry direct seeding |
| CN110199802A (en) * | 2019-06-21 | 2019-09-06 | 宁夏农林科学院农作物研究所（宁夏回族自治区农作物育种中心） | A kind of direct sowing on dry paddy field cultural method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508729A (en) * | 2021-08-04 | 2021-10-19 | 黑龙江省农业科学院耕作栽培研究所 | Spring-tillage-free dry direct seeding cultivation method for rice in cold region |
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