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Corn field soil improving method

A corn field and soil technology, applied in the fields of land preparation, agricultural machinery and implements, agricultural gas emission reduction, etc., can solve problems such as soil structure degradation, soil surface hardening, and fertility decline, and achieve fast growth, fast growth, and tillering. strong effect

Inactive Publication Date: 2015-04-29
BEIJING MAMMOTH SEED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of soil surface compaction, soil structure degradation and fertility decline caused by the existing no-tillage corn planting method year after year, and to provide a method for improving corn field soil

Method used

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  • Corn field soil improving method

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specific Embodiment approach 1

[0009] Specific implementation mode one: the present implementation mode is a method for improving cornfield soil, which is specifically completed according to the following steps:

[0010] Sow ryegrass into the corn field during the corn milk maturity period. The sowing method is drill sowing. If the ridge distance of the corn field is ≤ 65cm, a row of ryegrass is sown in each furrow. At this time, the sowing amount of ryegrass is 1.5g-2.0 g. If the ridge distance of the corn field is >65cm, sow ryegrass with a row spacing of 30cm. At this time, the sowing amount of ryegrass is 0.6g-1.0g per row per meter, and the sowing depth is 1.0cm-2.0cm. Profit germination. When the corn is thoroughly irrigated once after harvesting, 300kg / hm of urea can be applied before irrigation 2 ~350kg / hm 2 After frost, grazing or harvesting is carried out, and before turning green the next year, it is burned to complete the soil improvement of the corn field.

[0011] In this embodiment, ryegra...

specific Embodiment approach 2

[0015] Specific embodiment two: the difference between this embodiment and specific embodiment one is: if the ridge distance of the cornfield≤65cm, then a row of ryegrass is sown in each furrow, and the sowing amount of ryegrass is 1.7g per meter per row at this moment. Others are the same as the first embodiment.

specific Embodiment approach 3

[0016] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: if the ridge distance of the cornfield>65cm, sow ryegrass with a row spacing of 30cm, and now the sowing amount of ryegrass is 0.8g per row per meter . Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a soil improving method, in particular to a corn field soil improving method and aims to solve the problems that year-after-year no-tillage corn planting causes soil surface caking, soil structural degradation and fertility decrease. The method includes: sowing ryegrass to a corn field in a milk-ripe stage of corn by means of drilling, to be specific, if ridge spacing of the corn field is not greater than 65 cm, sowing one row of ryegrass in each ditch, if the ridge spacing of the core field is greater than 65 cm, sowing the ryegrass with a row spacing 30 cm, performing compacting after sowing, performing thorough irrigation once after harvesting of the corn, harvesting the ryegrass by means of grazing or reaping, and performing grass burning before greening in the next year so as to improve the soil of the corn field. The method is used mainly to improve the soil to allow continuous corn planting.

Description

technical field [0001] The present invention relates to a method of improving soil. Background technique [0002] Corn is an annual grass herb, an important food crop and an important source of feed. It is rich in nutrients and is also the food crop with the highest total output in the world. Corn plays an extremely important role in my country's food security. It is an important feed crop and an important raw material for food, chemical, fuel, and pharmaceutical industries. Therefore, its importance has been highlighted. In 2012, China imported 5.21 million tons of corn, a year-on-year increase of 197%, the largest import volume in more than ten years. The domestic demand for corn is getting tense, and the price of corn is also increasing year by year. [0003] The Northeast region is an important grain production base in my country, known as the "Bei Dacang". However, the growth period in the Northeast region is short, and only one crop of corn can be harvested in the N...

Claims

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Application Information

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IPC IPC(8): A01B79/02
CPCY02P60/20
Inventor 杨伟光孟刚徐艳霞
Owner BEIJING MAMMOTH SEED
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