Semi-solid-state complex no-tillage dry direct seeding method for crop seeds

By spreading straw and basal fertilizer in the ditch, and mixing crop seeds with semi-solid biomass and biopesticides, the no-till dry direct seeding method solves the problems of high water consumption and difficulty in straw disposal before and after crop sowing, and achieves water saving, increased yield and soil improvement. , improving the ecological benefits of crop production.

CN104663207AInactive Publication Date: 2015-06-03HUNAN AGRI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HUNAN AGRI UNIV
Filing Date
2015-02-11
Publication Date
2015-06-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing crops require a large amount of water for field preparation before sowing and water consumption after sowing, resulting in waste of resources and production bottlenecks. Moreover, it is difficult to handle the straw of the previous crop, resulting in burning and low germination rate.

Method used

The crop seed semi-solid composite no-till dry direct seeding method is adopted. By spreading straw and basal fertilizer in the ditch, the crop seeds are mixed with semi-solid biomass and bio-pesticides to form a semi-solid layer, a straw basal fertilizer layer and a soil layer. Sow seeds with irrigation and use straw as a water- and fertilizer-retaining layer.

Benefits of technology

It has achieved water conservation, reduced operating energy consumption, eliminated the use of pesticides, reduced haze and irrigation water, improved soil aeration and organic fertilizer utilization, and ensured early emergence and high yield.

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Abstract

The invention discloses a semi-solid-state complex no-tillage dry direct seeding method for crop seeds. The no-tillage dry direct seeding method comprises the following steps: S1, keeping a water layer of 1cm-5cm in a ditch, and paving straws obtained by harvesting preceding crops on a ditch surface; S2, applying a base fertilizer on the ditch surface paved with the straws and cleaning the ditch; S3, seeding the crop seeds on the ditch surface, and mixing the crop seeds with semi-solid-state biomass materials, a compound fertilizer and a biopesticide before seeding before seeding seeds, wherein the mixing mass ratio is that the crop seeds to the semi-solid-state biomass materials to the biopesticide is (1-10) to (70-800) to (1-3), and the moisture content of the semi-solid-state biomass materials is 40%-80%; and S4, after seeding the seeds, keeping the ditch surface at a dry state for 3-7 days. According to the semi-solid-state complex no-tillage dry direct seeding method, tillage and combustion of winter crop straws are not carried out, a whole land of field immersing water is not used for irrigation and the water immerses after the seeding, and the biological benefits are obvious; the working energy consumption is reduced, stubbles are not killed by pesticides, haze is reduced and the irrigation water is reduced.
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