Soil fertility and fertilizer characteristics have a great influence on fertilization. All soils are relatively heavy, organic matter content is relatively high, and fertility is relatively strong. Even if more fertilizers are applied at one time, nutrients will not be lost. On the contrary, the soil is sandy, and the content of organic matter is relatively small, so the fertility conservation capacity is correspondingly weaker. In this soil fertilization, the amount should not be too much at one time, and a small amount should be used for a few times to avoid wastage of nutrients and waste. However, the characteristics of soil fertility are also different, and some fertility is long and stable. This kind of soil is full of hungry, one fertilization can be more, and the frequency can be less; early-onset fields with prosperous and insufficient stamina, Attention should be paid to late-stage fertilization of crops; early-stage fertilization should be paid attention to late-onset fields that have stagnant and insufficient stamina.
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