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Cultivation method for returning straw to field

A technology of straw and straw layer is applied in the field of farming to achieve the effect of eliminating fire hazards and improving soil fertility.

Pending Publication Date: 2021-10-29
JIUJIANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Existing straw treatment technologies have obvious defects

Method used

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  • Cultivation method for returning straw to field

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Embodiment 1

[0024] A farming method for returning straw to the field. A 7-meter-wide ridge is drawn on the soil (1) of the cultivated land, which is divided into seven 1-meter-wide strips on average, and each strip has a ditch. A ditch is dug every year, and the preparations are made for seven years. Dig seven ditches, dig the first ditch (2) in the first year of the crop harvest season, the first ditch (2) is 1 meter wide and 1.5 meters deep, and the stalks are collected and placed on the stalk layer (9). (9) cover soil above and form cover soil layer (10), add ight soil above cover soil layer (10) and form ight soil layer (11), cover soil on ight soil layer (11) and form tillage layer (12), compacting Make the plowing layer (12) depth greater than 0.5 meters, cultivate crops wheat or corn, dig the third ditch (4) in the second year, and add straw, soil, manure, soil in turn to form straw layer (9), cover Soil layer (10), excrement layer (11), cultivation layer (12), the method for diggi...

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Abstract

The invention discloses a cultivation method for returning straw to field, and belongs to the field of crop growing and cultivation. The cultivation method is used for returning crop straw to the field. The problems that straw incineration pollutes the environment, wheat and corn straw is difficult to degrade, the fire hazard of straw discarding is large, and the straw treatment cost is high are solved. According to the method, deep ditches with the width of 1 m are sequentially dug in turn in the crop cultivated land, straw is mixed with manure to be deeply buried, fermentation is conducted for seven years, the mixture is fully decomposed into humus, and then the humus is dug out, and seven years form a cycle. The method can eliminate fire hazards, does not pollute the environment, does not need to transport the straw, does not need to crush the straw, does not need to burn the straw, does not occupy extra sites, does not have the defect of competing for fertilizers with crops, does not have the defect of carrying worm eggs and grass seeds, does not influence cultivation, fixes carbon and increases fertility, and improves the soil fertility.

Description

technical field [0001] The invention relates to a tillage method, in particular to a tillage method for returning crop stalks to the field. Background technique [0002] Straw burning can remove insects and impurities, but it pollutes the environment. The existing straw direct return technology is easy to engulf insect eggs, straw is difficult to degrade, soil organisms that degrade straw in the process of straw decay compete with crops for nutrients and affect crop yield, if the straw is not crushed, it is inconvenient to cultivate, and if the straw is crushed, the processing cost will increase. Composting with livestock manure and straw retting involves the transportation of straw, transportation of compost, compost treatment, composting site and other processes, which is time-consuming, laborious, occupying space and costly. Rice straw can decompose into humus after one year of composting and retting of livestock manure, but dryland crops such as wheat and corn have a la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/00A01B79/02
CPCA01B79/00A01B79/02Y02P60/20
Inventor 刘保平
Owner JIUJIANG UNIVERSITY
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