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Corn straw between-line recycling method

A technology of corn stalks and stalks, which is applied in the field of returning straws to corn rows, can solve the problems affecting the emergence rate and yield of crops, and achieve the effects of improving the soil fertility level of farmland, shortening the cycle, and increasing crop yields

Inactive Publication Date: 2017-06-23
INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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  • Claims
  • Application Information

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Problems solved by technology

The invention creates a method for returning corn stalks to the field between crop rows, which solves the problem that the straw returning affects the emergence rate and yield of crops

Method used

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Embodiment Construction

[0026] The present invention will be further described below through specific embodiments and accompanying drawings.

[0027] The method of returning the stalks to the corn rows in this embodiment, the process is as follows figure 1 As shown, it specifically includes the following specific steps:

[0028] Step 1: Straw preparation. Collect crushed corn stalks, the length of which is less than 12 cm. Spread the straw on the farmland topsoil in strips with a width of 90 cm and a distance of 45 cm between two strips. Such as figure 2 As shown, 1 is the paved corn stalk strip, that is, the straw returning area, and 2 is the non-straw returning area.

[0029] The straw collected in this step has a better application effect after being retting. Stack retting process: mix straw and pig manure (cow manure, human excrement, and other farmyard manure) at a ratio of 10:2-15, add water to 80% humidity, pile up into a pile, and retting for 2-5 months or longer.

[0030] Step 2: Spr...

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Abstract

The invention relates to a method for returning corn stalks to the field between rows. The steps include: 1) laying the corn stalks in strips on the topsoil layer of the farmland; 2) turning the strips of corn stalks and burying them into the soil; 3) Plough the non-straw-returning strip soil and sow seeds in the strip area, sowing in double row or single row. Further, the corn stalks can be composted; and the corn stalks can also be added with a stalk decomposing agent and an appropriate amount of nitrogen fertilizer. By sowing corn in the non-stalk-returning zone, the present invention can effectively avoid the contact between the seed and the straw during sowing, the soil porosity and water-holding performance are not affected by the returning of the straw, the seed emergence rate can be maintained, and the crop yield can be improved; The density of the field is relatively high, and the application of nitrogen fertilizer, straw decomposing agent and irrigation and other auxiliary measures can promote the rapid decomposition of straw and release nutrients for crop absorption and utilization, shorten the period of its conversion into soil organic matter, and can quickly improve the soil fertility level of farmland.

Description

technical field [0001] The invention relates to the fields of farmland cultivation and crop cultivation, in particular to a method for returning straw to the field between rows of corn. Background technique [0002] Straw is a renewable resource that can be directly utilized. Straw returning to the field through different technical methods can increase soil organic matter content, improve soil compaction and micro-organism activity, and improve crop yield and product quality, so it has been paid more and more attention. The original utilization method of straw is to make compost through stacking and retting, and then apply it to the farmland; part of the straw is fed to livestock, and the collected animal manure is returned to the field. With the development of science and technology and the improvement of agricultural mechanization, especially the research and development and application of straw crushing machinery, the method of returning straw to the field has gradually ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01D89/00
CPCA01D89/00
Inventor 岳现录张斌刘立意岳龙凯尧水红张月玲韩亚丛聪
Owner INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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