How to ferment cake fertilizer
Cake fertilizers are generally fermented before they can be applied. Because the plant nutrient elements contained in the cake fertilizer are all organic, the plants should not be directly absorbed; the cake fertilizer contains a certain amount of oil, the decomposition is slow, and the soil moisture content is reduced, which is not conducive to the absorption of nutrients by the plants; The produced acidic substances have a detrimental effect on seed germination and larval development; the cake fertilizer can produce high temperature during the fermentation decomposition process, which is a hot fertilizer. If improperly applied, it may cause root burning or affect seed germination. Cake fertilizers containing more fat must be fermented before they can be applied; some cakes such as bean cake have a small carbon to nitrogen ratio and are quick to be cooked, which can be applied directly; it has little effect on crops.
Fertilizer fermentation: put the cake fertilizer into the steamer to steam, fully absorb the water vapor and heat, and then put the cake fertilizer into the sealed tank, 4 months in winter, 2 months in summer, naturally fermented, and then pour out and dry after opening; or The cake fat is directly crushed, and it is piled up together with compost and manure for 2-3 weeks; or the decomposed human and animal excrement is added to the crushed cake fertilizer for 2-3 weeks.
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