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Method for winter-wheat mulching moisture conservation with maize straw

A technology of corn stalks and winter wheat, which is applied in the field of winter wheat planting, can solve problems such as soil impermeability, hindering the development of wheat populations, and unstable production of winter wheat, achieving the effects of saving labor, increasing farmers' income, and improving planting efficiency

Inactive Publication Date: 2018-01-30
CHANGGE LIANFA GRAIN PROFESSIONAL COOP SOC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, straw mulching is not stable in increasing winter wheat yield.
In particular, under the conventional planting mode, covering each row of winter wheat, although it plays a role in water retention, hinders the development of wheat populations and causes adverse effects such as soil airtightness.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0007] After the corn is mechanically harvested, use a pulverizer to crush the corn stalks until the length of the stalks is 3-50 mm, preferably 8-15 mm, and place the crushed stalks on the ridges on both sides to avoid affecting the plowing of the land. Apply base fertilizer, urea 15kg / mu, potassium dihydrogen phosphate 10kg / mu. Plow the field so that the fertilizer is evenly mixed into the 0-20cm soil layer. For sowing, the 2B-4 type seeder is used, and every second hole is blocked on the seeder, and the amount of seed output from a single hole is increased by 1.3-1.7 times, preferably 1.5 times, so that The sowing area forms the layout of sowing two rows and one row empty, and the row spacing of each row is 18-25cm, preferably 20cm; when the winter wheat reaches the three-leaf one-heart stage before and after 2 weeks, cover the crushed stalks on the ridges on both sides On the empty row, the thickness of the straw covering is 2-5cm, which can not only play a role in moistu...

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PUM

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Abstract

The invention discloses a method for winter-wheat mulching moisture conservation with maize straw, and belongs to the technical field of wheat planting. According to the method, the problems existingin the prior art are solved; the method for winter-wheat mulching moisture conservation with the maize straw in the technical scheme includes the steps of winter-wheat seeding, wherein seeding is carried out in wide and narrow rows, one row is emptied every two rows to serve as a reserved blank tape, and the seeding weight is 1.3 times to 1.7 times of the normal seeding weight; straw covering, wherein in the 10 days before and after winter-wheat three-leave one-heart stage, smashed maize straw is put on the reserved blank tapes, and the straw covering thickness is 2 cm to 5 cm.

Description

technical field [0001] The invention discloses a method for covering winter wheat with corn stalks and belongs to the technical field of winter wheat planting. Background technique [0002] In recent years, the crushing and returning technology of corn stalks has developed rapidly, accounting for 63.8% of the utilization methods of straw resources. It can be predicted that there is still room for growth in the future. It causes the soil in the plow layer to be fluffy, poor in moisture retention, water retention, and fertilizer retention, and has no drought and cold resistance. In addition, corn stalks have a high degree of fibrosis and slow decomposition, which affects the emergence and growth of winter wheat after cropping. Putting the crushed corn stalks on the soil surface as a covering material can not only overcome the above disadvantages, but also provide a new idea for winter wheat water storage and moisture conservation. However, straw mulching is not stable in imp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/20A01G13/02
Inventor 李海栓
Owner CHANGGE LIANFA GRAIN PROFESSIONAL COOP SOC