Mixing chemical fertilizers with farmyard fertilizers can play a good role. First, it can fully supply the nutrients needed for crop growth. Fertilizer is characterized by high nutrient content, fast fertilizer effect, short duration, and relatively simple nutrient. Farmers' organic fertilizers are mostly complete fertilizers, but they have low nutrient content, slow fertilizer effect, and long duration. Therefore, the combination of fertilizers and farmyard fertilizers can be used to make up for weaknesses. Second, it can reduce nutrient fixation and improve fertilizer efficiency. After the fertilizer is applied to the soil, some nutrients are absorbed or fixed by the soil, which reduces the effectiveness of nutrients. When mixed with farmyard fertilizers, the contact surface between fertilizers and soil can be reduced, thereby reducing the chance of being fixed by the soil. Third, it can accumulate nutrients, reduce the loss of nutrients, and improve the absorption conditions of crops for nutrients. The solubility of chemical fertilizers is large. After application, it will cause higher osmotic pressure on the soil and affect the absorption of nutrients and water by crops. This increases the chance of nutrient loss. If mixed with farmyard fertilizers, this drawback can be avoided. Fourth, it can regulate soil acidity and alkalinity and improve soil structure. Farmyard fertilizers can increase the buffer capacity of the soil, regulate the acidity and alkalinity, so that the soil acidity will not increase. Fifth, promote microbial activity, increase soil nutrients, and increase soil vigor. Farmyard manure is a raw material for microbial life, and fertilizers supply inorganic nutrients for the growth and development of microorganisms. The combination of the two can promote the activity of microorganisms, thereby promoting the decomposition of organic fertilizers. China Agricultural Network Editor
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