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Micro-furrow Planting Method of Shallow Spin Covering Maize in Dry Land

A planting method and corn technology, which are applied in field preparation methods, botanical equipment and methods, horticulture, etc., can solve the problems of reduced straw returning rate and incomplete seedling emergence, and achieve the advantages of improving water storage capacity, easy operation and reducing operation procedures. Effect

Active Publication Date: 2015-11-25
CROP SCI RES INST SHANXI ACADEMY OF AGRI SCI
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AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of incomplete emergence of existing maize sowing and adopting protective tillage to reduce the rate of straw returning to the field, the present invention provides a method for planting corn in dry land with shallow rotation and covering micro-furrows

Method used

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  • Micro-furrow Planting Method of Shallow Spin Covering Maize in Dry Land

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Embodiment Construction

[0010] Dryland corn shallow rotary covering micro-furrow planting method, a. In autumn, the straw is crushed to a length of less than 10cm and then covered on the surface. Subsoiling is carried out every two years. The depth of subsoiling is 30-40cm, and then rotary tillage is performed at a depth of 5cm. Mix the pulverized straw with the topsoil; b, when ditching in spring, discharge the straw to both sides of the furrow, compact the soil on both sides of the furrow, the depth of the furrow is 5-15cm, and sow the seeds in the wet soil part of the furrow; Before herbicide spraying.

[0011] In the specific implementation process, in view of the drought in dryland corn in Shanxi in spring, severe wind erosion, and the difficulty of grasping the whole seedlings, according to the soil moisture status of the year, the moisture detection ridge and furrow planting, fertilization, sowing, suppression, soil covering, chemical weeding and other processes were carried out simultaneously....

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Abstract

The invention relates to the field of agricultural planting, in particular to a method for planting corn in dry land by shallow and rotary micro furrow covering, and solves the problem that straw returning-to-field rate is lowered due to incomplete seedling emergence of conservation tillage adopted in current corn sowing. The method includes the following steps: a, smashing straw to the length less than 10cm in autumn prior to covering the land surface with the straw, subsoiling once every two years with the subsoiling depth of 30-40cm, then performing rotary tillage with the depth of 5cm, and enabling the smashed straw to be mixed with surface soil; b, discharging the straw to two sides of each furrow when furrowing in spring, compacting ridge soil on two sides of each furrow with the depth of 5-15cm, and sowing seeds in wet soil parts of the furrows; performing preemergence herbicide spraying. By the method, water-holding capacity of soil is improved obviously, the seeds can absorb soil moisture beneficially, survival rate of emerged seedlings is increased, the method has the advantages of being scientific and reasonable and convenient to operate, and crop yield per unit is increased effectively.

Description

technical field [0001] The invention relates to the field of agricultural planting, in particular to a method for planting dryland corn with shallow rotation and covering micro-furrows. Background technique [0002] Drought, water shortage, soil erosion and wind erosion have always been the main problems faced by the Loess Plateau region. Due to the exposed surface soil, the traditional full-scale plowing seriously disturbs the soil, which often leads to soil erosion, water and nutrient loss, and the quality of cultivated land is declining day by day, and the crop yield is low and unstable. [0003] Conservation tillage is a farming technique developed for the disadvantages of traditional farming, and it has been widely used all over the world. The research and promotion of conservation tillage in our country is actively developing and has broad prospects. It is a new type of farming technology compared to traditional plowing. It is characterized by straw mulching, no-till...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01B79/00
Inventor 冯瑞云王慧杰李广信阎贵云陈稳良杨光宗梁素明石红卫
Owner CROP SCI RES INST SHANXI ACADEMY OF AGRI SCI
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