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An improved method for organic ripening of yellow mud fields

An organic and yellow mud technology, applied in the improvement field of organic ripening of yellow mud fields, can solve the problems of lack of systematicness, integrity, and lack of standards in improvement measures

Inactive Publication Date: 2016-02-10
INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current improvement methods can increase rice yield, but the use of individual improvement measures is not systematic and holistic, and lacks clear and specific standards

Method used

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  • An improved method for organic ripening of yellow mud fields

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Embodiment Construction

[0033] An improved method for organic slaking in yellow mud fields, the specific method is:

[0034] For early rice, milk vetch is used to return to the field, combined with organic and inorganic fertilizers; for middle and late rice, livestock and poultry manure or straw is used to return to the field.

[0035] Plant milk vetch for returning to the field as green manure, base fertilizer and phosphorus fertilizer (pure P 2 o 5 ) 36 kg / ha, potassium fertilizer (converted to pure K 2 O) 45-54 kg / ha, sow after application.

[0036] Green manure milk vetch is sown in autumn according to local conditions, and the fresh grass yield of milk vetch sown from mid-September to early October is the highest.

[0037] If planting mid-season rice or late rice, interplant between rows in the later stage of mid-late rice. Before sowing, ditches should be opened around the field to drain water. When sowing milk vetch, keep the soil moist or have a thin water layer of 1-2cm. The field is hum...

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Abstract

The invention discloses an improvement method for organic maturation of yellow mud fields. For an early season rice field, the improvement method includes the steps: 1), planting astragalus sinicus and applying inorganic fertilizer; 2), applying nitrogen fertilizer at a stage when astragalus sinicus sends forth a first true leaf, wherein scalar quantity of the nitrogen fertilizer is 6.9-10.35 kilograms per hectare; 3), reapplying the nitrogen fertilizer at a stage when astragalus sinicus grows vigorously, wherein scalar quantity of the nitrogen fertilizer is 17.25-34.5 kilograms per hectare; 4), taking astragalus sinicus as green manure to be returned to the field, and applying chemical fertilizer. For double cropping rice, the improvement method includes 1), directly returning straw of early season rice into field in situ, or applying livestock and poultry manure for soil maturation; 2), additionally applying nitrogen fertilizer, and adjusting C / N ratio of the straw; 3), applying rotten organic fertilizer or mushroom residue before seeding middle-season rice or late-season rice; 4), performing light dewatering and ventilating after transplanting of the middle-season rice or the late-season rice, and re-watering. By the improvement method, soil structure is improved, soil volume weight is lowered, soil cation exchange quantity is increased, community structure of soil microorganisms and soil enzyme activity are affected.

Description

technical field [0001] The invention relates to an improvement method for organic ripening of yellow mud fields, and belongs to the technical field of soil improvement and restoration. Background technique [0002] Paddy soil is the most important type of soil cultivation in southern my country. In the early 1980s, low-yield paddy soil accounted for 26% of the total area. Improving the productivity of low-yield paddy soil through soil improvement is one of the important measures to ensure national food security. [0003] Huangnitian is one of the main low-yielding paddy soil types in southern my country, with a distribution area of ​​about 424,567 hectares in my country. The yellow mud field is developed from various rock weatherings and red soil wasteland or dry land on the Quaternary red soil in the red-yellow soil area of ​​southern my country after reclaiming and planting rice. It mainly includes red mud fields, yellow mud sand fields, gray-yellow mud fields, and black-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01B77/00C05G1/00
CPCY02P20/133
Inventor 周卫李双来吴良欢梁国庆王秀斌孙静文何萍雷秋良
Owner INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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