New skills for winter rape field management
Reduce wet damage. Clear up the ditch and drain moisture as soon as possible. Open the “three ditch†to the unopened fields, reduce the humidity in the field, and create good soil conditions for the robust growth of rapeseed.
Topdressing promotes early growth. Rape should be timely recovery of a quick-acting nitrogen fertilizer, 7-7 kg of urea per mu or 50-60 human fecal urine water pouring, to promote transformation and upgrading of rape seedlings. In late December to early January, winter wax fertilizer is applied and sprayed with a new high-fat membrane to prevent freezing.
Prevent freezing damage. The base fertilizers do not use phosphorus or potash fertilizers. They should be combined with topdressing to apply phosphorus and potash fertilizers, promote the mechanical organization of rapeseed cells to be thickened, increase the concentration of cell fluids and water absorption capacity, reduce the freezing point, and enhance the antifreeze ability of rapeseed; In the field, new high-fat membranes should be sprayed to shorten the seedling period and quickly adapt to the new environment. In winter, it can cover straw or increase photosynthetic nutrient film fertilizer, which can help plants absorb a lot of light fertilizer, light energy, light, compatible with conventional fertilizers, and nutrient supply to the growth and development of plants to the limit, and has reached the effect of heat preservation, soil conservation and fertilizer increase.
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