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Corn straw returning cultivation method

A corn stalk and straw technology, which is applied to the field of corn stalk returning to the field, can solve the problems of long decomposing period, poor degradation effect, incomplete degradation, etc., and achieves the effects of improving decomposing rate, ensuring aerobicity, and solving the effects of degradation efficiency.

Inactive Publication Date: 2018-09-28
INNER MONGOLIA AGRICULTURAL UNIVERSITY
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AI Technical Summary

Problems solved by technology

[0004] The invention provides a cultivation method for returning corn stalks to the field to solve the problems of incomplete degradation of corn stalks in the prior art, poor degradation effect, and long maturity period

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A cultivation method for returning corn stalks to the field, comprising the following steps:

[0018] The first step: gather the corn stalks to form a corn stalk ridge, and compact the corn stalk ridge;

[0019] The second step: Sprinkle the degrading bacteria on the corn stalk ridges, and cover the soil between the corn stalk ridges on the corn stalk ridges formed in the first step to form a field pattern of canals and ridges. The covering soil can keep the corn stalks The continuous compaction of straw ridges can also provide the necessary living environment for the survival of degrading bacteria;

[0020] Step 3: Plant corn between the ridges of corn stalks. While the corn is growing, the corn stalks are also decomposing;

[0021] Step 4: After the corn is mature, harvest the stubble, gather the corn stalks again, sprinkle the degraded bacteria on the gathered corn stalk ridges to form the corn stalk ridges, and compact the corn stalk ridges. It is on the ditch whe...

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Abstract

The invention discloses a corn straw returning cultivation method. Corn straw is gathered and sprayed with degrading bacteria, so that the degrading bacteria get sufficient oxygen, antagonism caused by sufficient contact of the degrading bacteria with indigenous microorganisms in soil is avoided due to a small amount of soil covering straw ridges, normal life activity and degradation function of the degrading bacteria are maintained, and the decomposing rate of the straw is increased; Compared with the traditional planting method, the method adopts ditch-ridge alternate planting, so that the period of straw decomposing by the degrading bacteria is doubled as compared with the traditional planting method, and the problem of low degradation efficiency of existing direct returning is solved fundamentally.

Description

technical field [0001] The invention belongs to the technical field of corn application, and in particular relates to a cultivation method for returning corn stalks to the field. Background technique [0002] Returning corn stalks to the field is not only beneficial to the accumulation of soil organic matter, but also has good effects on reducing soil bulk density, increasing soil porosity, and improving soil permeability. From the perspective of corn straw returning methods, my country currently mainly includes three methods: direct returning, indirect returning and comprehensive returning, and the most widely used method is direct returning. Straw is high in the northern cold and arid area. The interval between the return of straw in autumn and the freezing of soil in winter is short, and the winter is long and dry and less rainy. In the natural state, the cycle of straw decomposition and transformation in the soil after returning to the field is long, and it is difficult t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02
CPCA01B79/02
Inventor 高聚林胡树平于晓芳王志刚孙继颖苏治军屈佳伟王富贵谢岷王振包海柱
Owner INNER MONGOLIA AGRICULTURAL UNIVERSITY
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