The use of scientific methods to accumulate farmyard fertilizers can not only effectively prevent the loss of volatile fertilizer, but also double the efficiency of fertilizers. the way is:
1. Add superphosphate to human fecal urine: Add 5kg of superphosphate per 100kg of human excreta, mix well and store for 5-10 days. The chemical reaction can make ammonium carbonate, which is easy to play in human excrement and urine, be converted into stable ammonium phosphate, thereby preventing nitrogen from volatilizing, increasing phosphorus in human excrement and improving the quality of fertilizer, and ensuring ammonia retention by phosphorus.
2. Domestic salt in human excreta: In every 100 kilograms of human excrement, 5 kg of superphosphate and 3 kg of salt are added, and after fully stirred and fermented for 10 days, the nitrogen content can be increased. When used, water 3 times.
3. Add ferrous sulfate (human urine) in human waste: Add 500-600 grams of ferrous sulfate per 100 kilograms of human fecal urine to convert ammonium carbonate in human waste into stable ammonium sulfate. To protect fertilizer and deodorize to prevent the loss of nitrogen evaporation.
4. Adding yellow soybean milk in fresh cow dung: Add 2.5 kg of soybean milk per 100 kg of fresh cow dung, stir it evenly in the cylinder, and seal it at 25°C for 3-6 days. Its fertilizer efficiency is higher than the equivalent amount of ammonia. When the application is required to dilute 3 times for topdressing.
5. Add calcium phosphate to manure and compost: Add 20% superphosphate in the compost and manure and stir it evenly, stack it for 20-25 days to prevent the loss of nitrogen in manure and accelerate the decomposed process of manure composting. Increase the available phosphorus content to increase the quality of manure and compost.
6, superphosphate mixed with plant ash: 1 kg of superphosphate crushed and added 2.5 kg of water evenly, let it naturally precipitate. Another 3 kg of grass ash plus 5 kg of water soaked for a period of time. Finally, the two leaching leaves were filtered and mixed to produce potassium dihydrogen phosphate equivalent to spraying 1 acre of land. When used, water 50 kg spray.
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