Adding superphosphate method to manure: Add 20% superphosphate powder to the manure and piling for more than 20 days after stirring evenly to prevent evaporation loss of nitrogen in the manure, increase effective phosphorus content, and increase fertilizer efficiency.
Stacked manure by adding ammonium bicarbonate method: cut the crop stalk into pieces, add 0.5-1% of ammonium bicarbonate and the amount of human fecal urine to stack, cover and seal with mud, after decomposed to become a good biological potash fertilizer.
Fresh cow dung is added with soy milk method: 1.25 kg of soybean milk is added for every 50 kg of fresh cow dung. Stir it evenly by hand and seal it for 3-6 days at a temperature of 25°C. Duishui 3 times as top dressing. Its fertilizer efficiency is higher than that of ammonia. ,
Add Calcium Phosphate method to plant ash: Add 10 kg of water per 6 kg of plant ash. After soaking for 6 hours, take the clear liquid for later use. Take another 2 kg of superphosphate powder, stir well with water, allow the sediment to collect, and then take the filtrate. Mix the solution and spray 100 kg of water to obtain the same fertilizer effect as potassium dihydrogen phosphate.
Human fecal urine is added with gypsum powder method: 5 kg of cooked gypsum powder is added to every 50 kilograms of human waste, and 25 kilograms of water is added to mix evenly. After 10 days of capping and storage, nitrogen evaporation loss can be reduced and fertilizer efficiency can be increased.
Human fecal urine added ferrous sulfate method: 300 grams of ferrous sulfate (green wolfberry) is added to every 50 kilograms of human feces and urine, and ammonium carbonate in urine can be converted into stable ammonium sulfate.
Human fecal urine added superphosphate method: In every 50 kilograms of human excrement, add 2.5 kilograms of superphosphate, stir and store it for 5-7 days, which not only prevents the loss of nitrogen, but also greatly improves the utilization rate of fertilizer.
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