1. Adding ammonium bicarbonate method for stacking manure: The crop stems are cut into pieces, 0.5-1% of ammonium bicarbonate is added, and the amount of human feces and urine is used for stacking. The mud is used to cover and seal, and it becomes a good biopotash fertilizer after decomposed.
2. Adding soybean milk to fresh cow dung: Add 1.25 kg of soy milk per 50 kg of fresh cow dung, mix it evenly, and seal it for 3-6 days at a temperature of 25°C. Mix 3 times water for top dressing. The effect of fertilizer is better than ammonia. Still high,
3, plant ash added superphosphate method: every 6 kilograms of ash plus 10 kilograms of water, soaked for 6 hours after the filter to take liquid for use; another take 2 kilograms of superphosphate powder, add water, stir evenly, let it precipitate after the natural filtrate, then Mix the two solutions and spray 100 kg of water to obtain the same fertilizer effect as potassium dihydrogen phosphate.
4. Add gypsum powder to human waste: Add 5 kg of cooked gypsum powder per 50 kg of human waste. Add 25 kg of water to mix evenly. Cover and store for 10 days before use to reduce nitrogen evaporation loss and increase fertilizer efficiency. .
5. Add human urine ferrous sulfate method: 300 grams of ferrous sulfate (green hydrazine) is added to every 50 kilograms of human waste, and ammonium carbonate in urine can be converted into stable ammonium sulfate.
6, human fecal urine added superphosphate method: In every 50 kilograms of human excrement, add 2.5 kilograms of superphosphate, stir evenly and store it for 5-7 days, not only prevent nitrogen loss, but also greatly improve the fertilizer utilization .
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