Skillful mixing of fertilizers can increase efficiency.
Human feces and urine were mixed with calcium superphosphate. In every 50 kilograms of human feces and urine, add 2.5 kilograms of calcium superphosphate, stir well, store for 5 to 7 days and use. After this treatment, the highly volatile ammonium carbonate in human feces and urine can be converted into stable ammonium phosphate, so as to prevent the loss of nitrogen, increase the phosphorus element in human feces and urine, protect nitrogen with phosphorus, and improve the quality of fertilizer. Add gypsum powder to human feces and urine. Add 5 kg of cooked gypsum powder to every 50 kg of human feces and urine, add 25 kg of water and mix well, cover and store for 10 days, which can reduce the loss of nitrogen volatilization. Add calcium superphosphate to plant ash. Every 3 kilograms of plant ash, add 50 kilograms of water, soak for 6 hours, take the clear liquid (filtrate) for use; take another 1 kilogram of superphosphate powder, add water to stir evenly, let it naturally precipitate, take the filtrate; then mix the two solutions evenly, add water 50 kilograms spray, can spray one mu of field, can obtain the same fertilizer effect as potassium dihydrogen phosphate. Add superphosphate to barnyard manure. Adding 20% superphosphate powder to the barnyard manure, stirring evenly, and then stacking it for more than 20 days can not only prevent the volatilization and loss of nitrogen in the stable manure, but also accelerate the ripening of the barnyard manure, increase the content of organic phosphorus and improve the efficiency of the fertilizer. Add ammonium bicarbonate to compost. Cut the crop stalk into pieces, add 0.5% to 1% ammonium bicarbonate and an appropriate amount of human feces for composting, then cover and seal with mud, and then become an efficient biological potash fertilizer after ripening. However, the mixing of different kinds of fertilizers should be paid attention to to prevent blindness, especially alkaline fertilizers can not be mixed with acidic fertilizers, and alkaline fertilizers can not be mixed with each other.
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How fertilizer is distributed in the soil
After the fertilizer is applied to the soil, only a small part of its nutrients are absorbed and utilized by crops, about 1% of the amount of fertilizer applied, and most of the other nutrients are lost in different forms. Take our usual nitrogen, phosphorus and potassium fertilizers as an example, after they are applied to the soil, the fate of their nutrients is generally divided into the following.
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Quick dissolving and dispersing of fertilizer and slow dissolving and dispersing
At present, there are many varieties of slow and controlled release fertilizers in our country, and the products of a variety of materials and release mechanisms can be said to blossom, but due to the low level of knowledge of farmers, there is a serious lack of understanding of such updated products, especially some illegal manufacturers hype the concept, opportunistic, hurt the feelings of consumers, make it produce.
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