Several problems with animal manure fermentation Nowadays, more and more vegetable farmers have realized the benefits of manure, and they all know that manure needs to be fermented and tanning, in order to kill the parasites and pathogens, making it more conducive to vegetable absorption. However, many vegetable farmers do not know enough about the decomposition of manure. They just put the manure into the pit before the shed to let it ferment naturally. This kind of fermentation is obviously not desirable. What should pay attention to manure fermentation?
First of all, make sure that the pit is shallow. The upper seal, the upper part is closed with a film, do not open air. In the open-air fermentation system, the loss of nitrogen is very large, and the loss is sometimes over 70%. The fertilizer is tightly packed with the membrane and the loss is significantly reduced, and relatively good fertility is maintained. Therefore, it is necessary to maintain the upper seal, such as fermentative fermentation. It is best to use a straw curtain for ventilation to facilitate ventilation. Under the light, it is said that the depth of excavation under the pit should be shallow. When manure is used, many vegetable farmers dump the purchased chicken excrement into the deep pit. The deep pit has a low temperature and poor air permeability, which is not conducive to fermentation. After half a year, the color of the feces below remains unchanged, and it does not have a decomposing effect. Therefore, the pit should not be too deep so as not to affect the maturity.
Second, add additives in time. If high-quality manure is mixed with grass and soil, it will not only play a role in “preserving nitrogen by soilâ€, but also increase organic matter in fertilizers, increase the amount of fertilizers, and speed up the decomposition of fertilizers. In addition, before the manure is tamped, in order to change the situation of the lack of trace elements (such as zinc, boron, etc.) in the vegetable field, the amount of 2-3 kg of zinc sulfate and 1 kg of borax per acre may be pre-mixed in the fertilizer together. Brewing fermentation, this can effectively increase the nutrient content of manure and make nutrients more complete.
Again, timely application of biological agents. The use of a starter such as a fertilizer starter to speed up the fermentation of the organic fertilizer and shorten the composting time of the manure is suitable in the case of eager to use fertilizer, and it can shorten the decomposed fermentation time to several days. Of course, for the treatment of other organic fertilizers, these biological preparations can also be widely used to prevent the fertilizers from being decomposed and causing damage to the plant roots.
First of all, make sure that the pit is shallow. The upper seal, the upper part is closed with a film, do not open air. In the open-air fermentation system, the loss of nitrogen is very large, and the loss is sometimes over 70%. The fertilizer is tightly packed with the membrane and the loss is significantly reduced, and relatively good fertility is maintained. Therefore, it is necessary to maintain the upper seal, such as fermentative fermentation. It is best to use a straw curtain for ventilation to facilitate ventilation. Under the light, it is said that the depth of excavation under the pit should be shallow. When manure is used, many vegetable farmers dump the purchased chicken excrement into the deep pit. The deep pit has a low temperature and poor air permeability, which is not conducive to fermentation. After half a year, the color of the feces below remains unchanged, and it does not have a decomposing effect. Therefore, the pit should not be too deep so as not to affect the maturity.
Second, add additives in time. If high-quality manure is mixed with grass and soil, it will not only play a role in “preserving nitrogen by soilâ€, but also increase organic matter in fertilizers, increase the amount of fertilizers, and speed up the decomposition of fertilizers. In addition, before the manure is tamped, in order to change the situation of the lack of trace elements (such as zinc, boron, etc.) in the vegetable field, the amount of 2-3 kg of zinc sulfate and 1 kg of borax per acre may be pre-mixed in the fertilizer together. Brewing fermentation, this can effectively increase the nutrient content of manure and make nutrients more complete.
Again, timely application of biological agents. The use of a starter such as a fertilizer starter to speed up the fermentation of the organic fertilizer and shorten the composting time of the manure is suitable in the case of eager to use fertilizer, and it can shorten the decomposed fermentation time to several days. Of course, for the treatment of other organic fertilizers, these biological preparations can also be widely used to prevent the fertilizers from being decomposed and causing damage to the plant roots.
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