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Late rice fertilization
Late rice Bean cultivation requires quasi-fertilizer. When sowing Beans are sown, it will affect the growth of soybeans too early and late in late July to early August. The specific requirement is to sow the seeds within one week after the rice is harvested. The seeding rate depends on the grain size of the variety, the height of the plant, the number of branches, the soil fertility and the level of fertilization. Fine seeds per hectare sowing 60 ~ 67.5 kg, 75 ~ 90 kg of medium grain, large grain of 90 ~ 105 kg; sowing method with a small lotus seed sowing and on-demand two kinds, on-demand spacing 30 ~ 36 cm, pond distance 6 ~ 8 In centimeters, 3 to 4 seeds are sown in each pond, guaranteeing 67.5 to 82.5 thousand seedlings per hectare. After sowing, the cut rice piles are used as covering materials, and the cover is not covered with some straw, so that the seeds are not exposed, and they function to shade and maintain the soil temperature in the bud to facilitate seed germination. However, the coverage should not be too thick, so as to avoid the emergence of seedlings or grow into tall seedlings and affect the yield. In addition, increasing fertilization has different effects on soybean yield. Immediately after emergence, 3 to 6 kg of urea per hectare and 70 kg of potassium chloride (4 to 5 kg/mu) are used as seedling fertilizers, and nitrogen and potassium fertilizers are topdressed at the branching stage, and top dressing is applied at the beginning of the flowering period. 3 dry grams / mu compound fertilizer for flower fertilizer, spraying fertilizer outside the rooting stage, spring soybean autumn species should pay attention to basic fertilizer, early application of Miaofei, Qiao Shihua fertilizer, discretionary application of drum grain fertilizer under the principle of specific control per hectare 99.5 kg of pure nitrogen, urea 216 kg (6.6 kg per mu for pure nitrogen, 14.3 kg per mu for urea), P2O5157.5 kg, calcium phosphate 1125 kg 2O5 10.5 kg per mu, folded calcium phosphate 75 kg per mu , K2O9.75 kg, 243.75 kg of potassium chloride, can obtain high output.