The Main Points of High-yield Fertilization for Soy

Addition of basal fertilizer in farm manure, pig manure yielded the best effect on soybean yield, followed by horse dung and compost containing more organic matter, and soil miscellaneous fertilizer was less effective. The amount of basal fertilizer applied depends on the specific conditions of manure quality, soil fertility, and how much fertilization of the former crop is used. General high-quality manure, applied per acre 1000 to 1500 kilograms, poor quality, apply 2000 to 3000 kilograms per acre. For soils with low soil fertility and small amount of fertilization, pay attention to applying organic fertilizer.

The use of good fertilizer for thin application of fertilizers often requires adding a small amount of nitrogen fertilizer, applied per acre urea 10 or ammonium nitrate 10 to 15 kg mixed application, the ratio of nitrogen and phosphorus to 1:3 or 1:2 as well. When applying fertilizers, special attention should be paid to the isolation of fertilizers and seeds to avoid contact with seed fertilizers so as to avoid burning seedlings. Deep application of fertilizer can significantly increase production.

Foliar spray fertilizer with 0.2% ~ 0.3% potassium dihydrogen phosphate aqueous solution or superphosphate leaching foliar spray, can increase grain nitrogen content, there is a significant increase in production; spraying 0.1% of borax, copper sulfate, Manganese sulfate aqueous solution can promote full grain and increase soybean oil content.

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