First, choose the right variety and the appropriate sowing date. First, use winter strong and cold resistant varieties; secondly, Gaohaibo area should be finished before October 15.
These early and late species are not conducive to the growth and development of rapeseed.
Second, conservation tillage. Residues such as straw, straw, and corn stalks are covered, and Tanabe burns fire.
Third, rational fertilization. The combination of N, P, K and trace elements promotes robust seedlings and enhances antibodies.
Fourth, increase the density appropriately. In order to ensure the density, retain multiple seedlings to prevent freezing and less seedlings.
Fifth, spray paclobutrazol. Promotes rape overwintering.
Six, with soil bacon. We combine bain and weeding for bacon.
Seven, irrigation drought and freezing. From late December to January, the temperature of drought has dropped drastically. It is imperative that fields be filled with water, the soil temperature be adjusted, and the microclimate in the fields improved.
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