Method for planting corn and cover crops

A technology of cover crops and planting methods, which is applied in the fields of grain cultivation and leguminous plant cultivation, etc. It can solve the problems of soil quality decline and non-point source pollution, and achieve the effects of controlling field weeds, reducing pollution, and saving the cost of herbicides

Active Publication Date: 2020-06-12
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the technical problems of soil quality decline and non-point source pollution caused by ext

Method used

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  • Method for planting corn and cover crops
  • Method for planting corn and cover crops
  • Method for planting corn and cover crops

Examples

Experimental program
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Example Embodiment

[0044] Specific embodiment 1: The method for planting corn and cover crops in this embodiment is performed according to the following steps:

[0045] 1. Spring soil preparation:

[0046] According to local agricultural production habits, spring soil preparation, rotary tillage or deep plowing should be carried out when the soil temperature reaches the required level;

[0047] 2. Ridging and bottom fertilizer application:

[0048] After soil preparation, perform mechanical ridging with a ridge width of 130cm and a ridge height of 15-25cm. Fertilization and fertilizer application are the same as the local production fields;

[0049] 3. Sowing corn:

[0050] Machine sowing or manual on-demand sowing is used. The corn planting density is the same as that of the local production field. The corn is sown in two rows on the ridge, the distance between the two rows of corn is 50cm, and the middle position of the two rows of corn is on the center line of the ridge, and the distance between each ro...

Example Embodiment

[0063] Specific embodiment two: this embodiment is different from specific embodiment one in that the leguminous cover crop (lower plant height) selected by D1 in step four is white clover. Others are the same as the first embodiment.

Example Embodiment

[0064] Specific embodiment three: this embodiment is different from specific embodiment one or two in that the leguminous cover crop selected by D2 and D3 in step four is long-haired vetch. Others are the same as the first or second embodiment.

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Abstract

The invention discloses a method for planting corn and cover crops, belongs to the field of crop planting, and particularly relates to a cultivating method of inter-annual crop rotation of corn and the cover crops. The technical problems of reduction of soil quality and non-point source pollution caused by large-scale use of chemical fertilizers, pesticides and herbicides in the corn planting process are solved. The cultivating method comprises the steps of 1, soil preparation in spring, 2, ridging and basal dressing, 3, sowing of corn, 4, sowing of the cover crops on ridges, 5, planting of the cover crops in furrows, 6, harvest of corn, 7, crushing of residual bodies of the cover crops and plowing in the spring of a next year, 8, ridging in the next year, and 9, field management in a second year. The cover crops such as gramineae are planted in the furrows, so that the field space is fully used, and the growth of weeds is avoided. The cover crops such as gramineae are planted in the furrows the biological yield is high, the absorption and utilization capacity for N in deeper layers of soil are good, and the protection effect for water resources and ecological environment is good.

Description

technical field [0001] The invention belongs to the field of planting crops, and in particular relates to a cultivation method for interannual rotation of corn and cover crops. Background technique [0002] Northeast my country has four distinct seasons, with rain and heat in the same season. Spring is dry and windy, summer is hot and rainy, autumn is crisp and clear, and winter is long and cold. Suitable crops are crops that ripen once a year, such as corn. Corn is an important food-feed-economic crop in my country, and occupies an important position in food production. Northeast China is the main corn producing area in our country, with a large area of ​​corn planting, and it is an important commercial grain base in our country. It has made an important contribution to ensuring my country's food security. However, due to the excessive pursuit of corn production, the extensive use of chemical fertilizers, pesticides, and herbicides in the corn planting process has cause...

Claims

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Application Information

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IPC IPC(8): A01G22/20A01G22/40
CPCA01G22/20A01G22/40
Inventor 李向楠刘胜群
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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