The content of active ingredients in farmyard fertilizers is low, and the effect of fertilizers is slow. If farmers add a little “additives,†they can not only prevent the loss of volatile components of farmyard fertilizers, but also increase the fertilizer efficiency of farmyard fertilizers. The addition of ferrous sulfate in human urine adds 500-600 grams of ferrous sulfate per 100 kilograms of human urine, enabling the conversion of ammonium uric acid in human urine into stable ammonium sulfate, which acts as a nutrient deodorant and prevents the volatilization of nitrogen. effect. Add Calcium Sulfate to plant ash to soak 3 kg of plant ash with 15 kg of water, then add 1 kg of calcium phosphate, mix evenly, and then add 50 kg of water after 6 hours. Stir and settle the solution. Potassium dihydrogen phosphate similar fertilizer effect. Stacked manure by adding ammonium bicarbonate will plant stalks, leaves cut into pieces, add 0.5-1% of ammonium bicarbonate and the amount of human waste urine stack, and then covered with mud seal, decomposed into a highly efficient organic fertilizer. The addition of superphosphate to manure by adding 20% ​​SSP to manure, stirring evenly and stacking it for 20 days will not only prevent the loss of nitrogen nutrient in manure, but also accelerate the decomposed process of manure and increase the available phosphorus content. China Agricultural Network Editor
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