No-tillage water-replenishing seeding method based on full-amount straw coverage condition

A technology for straw and water replenishment, applied in fertilization methods, land preparation methods, botanical equipment and methods, etc., can solve problems such as affecting yield, difficulty in further reducing the dosage of herbicides, and aggravating pests and diseases, so as to achieve the preservation of seedlings and the promotion of sustainable utilization. , cost saving effect

Pending Publication Date: 2022-04-08
JILIN ACAD OF AGRI SCI
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Problems solved by technology

However, the inventors of the present application found in follow-up research that due to the full coverage of the straw and returning it to the field, it provided protection for diseases and insect pests, resulting in the aggravation of diseases and insect pests after corn sowing and affecting the yield. In addition, it also provided nutrients for the growth of weeds. As a result, it is difficult to further reduce the amount of herbicides

Method used

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  • No-tillage water-replenishing seeding method based on full-amount straw coverage condition

Examples

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Embodiment 1

[0028] Select the main corn producing area in Northeast China, divide the farmland into 4 × 4 blocks, each 1 hectare, and divide the above 16 farmlands into 4 groups randomly, namely the experimental group 1, the experimental group 2, the control group 1 and the control group. Group 2, and then follow the steps below to carry out no-tillage supplementary water sowing based on the condition of full straw coverage:

[0029] Step 1. After the corn enters the mature stage, use a large corn harvester to harvest, and at the same time crush the corn stalks. The length of the crushed stalks is 10-20 cm, and spread them evenly on the surface; Shell 600kg+1.5kg Bacillus subtilis dry powder (the number of live bacteria is 10 9 cfu / g) after mixing evenly, spread and remove on the corn stalks evenly; In the experiment group 2, each piece of farmland will be sugar beet meal 600kg+1.5kg Bacillus subtilis dry powder (number of living bacteria is 10 9 cfu / g) after mixing evenly, spread and re...

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Abstract

The invention discloses a no-tillage water-replenishing seeding method based on a full-amount straw coverage condition, which comprises the following steps: in an aeolian sandy soil region or a severe wind erosion region with the rainfall capacity of below 450mm and after corns enter a full ripening stage, harvesting by adopting a large corn harvester, crushing corn straws, and uniformly spreading the crushed corn straws on the ground surface; and uniformly mixing rice husks and/or beet pulp with dry bacillus subtilis powder, and uniformly spreading the mixture on the corn straws. According to the method, the tillage and soil preparation cost in the corn planting process can be reduced, the emergence rate is increased, the application amount of pesticides such as herbicides is reduced, the corn yield is increased, the agricultural ecological environment is improved, sustainable utilization of black soil resources is promoted, and rapid development of agricultural modernization is promoted.

Description

technical field [0001] The invention relates to the technical field of corn sowing, in particular to a no-tillage water replenishment sowing method based on the condition of full straw coverage. Background technique [0002] At present, people have formed a general understanding of the role of straw returning to the field. In production, straw returning to the field is mainly divided into two forms: deep plowing and mulching. Among them, the technology of deep plowing and returning to the field is relatively mature, but it is only suitable for corn growth. In areas where the annual rainfall is greater than 450 mm, the thickness of the soil plow layer needs to be more than 30 cm. [0003] In areas with less than 450 mm of rainfall during the corn growth period and windy sandy soil areas in the northeastern and western parts of the country, mulching and returning to the field are the mainstay. In the mulching and returning to the field technology, problems such as straw draggi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/20A01B79/02A01C21/00A01G13/00A01G13/02
CPCY02P60/20
Inventor 王立春蔡红光刘剑钊梁尧袁静超程松张畅刘松涛任军张秀芝胡楠李瑞平秦裕波孙芸芸孙海全任皓
Owner JILIN ACAD OF AGRI SCI
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