Many rural households in rural areas in China still use the traditional “stupid law†to carry out manure. This method is simple but not effective. A large part of the manure is not decomposed, and fermented raw manure is not applied to the ground. When it is available, the raw manure starts to ferment. If the fermentation site is closer to the root and the crop plants are smaller, the heat generated by the fermentation will affect the growth of the crop, and in severe cases, the plant will die. Applying to the field under these conditions will not only increase the soil fertility but also ferment the seedlings. Delaying crop growth has played a negative role.
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