One must apply Spring Fertilizer early.
Early spring topdressing can remedy the inadequacy of winter rapeseed growth, promote more branches and early buds, which is the key to seizing high yield. With ammonium bicarbonate 15-20 kilograms or urea 6-7 kilograms of water + new high fat film spray, can increase fertilizer efficiency, security and fat retention.
The second is to apply fertilizer.
The rape bud stage is the key period for rape spring cropping, and it is necessary to reapply early crops with insufficient basal fertilizer, weak seedlings, and poor growing conditions. For fields with vigorous seedlings, the fertilizer must be applied late and light. Shi.
Third, boron is applied to the leaves.
The phenomenon of "flowering but not realizing" of rape is generally a physiological disease caused by boron deficiency. After the rape is applied in spring, each time 50-100 grams of borax is used, dissolved in hot water and then mixed with fresh water 50-60 kilograms + new high fat film, sprayed once in the flood season and early flowering period, application, greatly improve the effectiveness of fertilizer The utilization of ingredients plays a preventive and control role.
Fourth, to apply fertilizer.
Appropriate amount of supplemental application of fertilizer, flower fertilizer is generally adopted foliar spraying, and spraying strong Spearhead, can make more rapeseed, increase grain weight gain.
Plantain Herb,Whole Grass,Mentha Haplocalyx,Herba Pteridis Multifidae
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