Adding ferrous sulfate to human excrement and adding 500-600 g of ferrous sulfate per 100 kg of human excrement can convert ammonium carbonate in human excrement into stable ammonium sulfate, which can protect fertilizer and deodorize and prevent nitrogen. The role of volatilization.
Adding superphosphate to human excrement and adding 5 kilograms of superphosphate in 100 kilograms of human excrement, mixing and storing for 3 to 10 days, can convert highly volatile ammonium carbonate in human excrement into stable ammonium phosphate. Increase phosphorus in human excrement and nitrogen to protect nitrogen.
Add calcium superphosphate to the plant ash, soak the grass ash 3 kg to 15 kg of water, add 1 kg of superphosphate, mix well, add 50 kg of water after 6 hours, mix well, let the solution settle after standing, and obtain The same fertilizer effect of potassium dihydrogen phosphate.
Adding ammonium bicarbonate to the composting manure The plant stems and leaves are cut into pieces, 0.50% to 1% ammonium bicarbonate and a proper amount of human excrement are added, and then covered with mud to seal the decomposed and become a highly effective biopotassium fertilizer.
Adding superphosphate to manure fertilizer Add 20% calcium superphosphate to the manure and mix well. After stacking for 20 days, it can not only prevent the loss of nitrogen nutrients in the manure, but also accelerate the decomposing process of manure and increase the effective phosphorus content.
Add fresh soy milk to fresh cow dung Add 2.50 kg of soy milk to 100 kg of fresh cow dung, mix well in the jar, seal it for 3-6 days, topdress the water 3 times, and its fertilizer efficiency is better than ammonia.
Source: Farmers Daily
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