From cropping to harvesting, the nutrients absorbed are relatively fixed, and there is a certain proportion between the various nutrients. Whether it is excessive application of total fertilizer or excessive application of a certain nutrient, it is not good for crop growth and causes waste.
Excessive application of fertilizers, especially chemical fertilizers, can result in excessive nutrient concentrations in the soil solution, which is detrimental to seed germination. Excessive nutrient concentrations can burn seeds, damage seedlings, and inhibit crop growth, just as crops are grown on salinized soil with higher salinity. In the crop growth period, excessive application of nitrogen fertilizer will cause crops to appear lengthy, greedy and late-maturing, easy to fall and incur pests and diseases, eventually leading to an increase in openness, a decrease in 1000-grain weight, and a decrease in yield. Excessive application of phosphate fertilizer is also unfavorable for crop growth. Not only is the vegetative period shortened, the maturity period is advanced, premature aging occurs, and it is easy to cause deficiency of nutrients such as zinc, iron and magnesium, which affects crop quality. Excessive application of potash or trace elements is also unfavorable for crop growth.
Therefore, the fertilizer is not applied as much as possible. Do more, not only waste, but also cause damage to crops.
Excessive application of fertilizers, especially chemical fertilizers, can result in excessive nutrient concentrations in the soil solution, which is detrimental to seed germination. Excessive nutrient concentrations can burn seeds, damage seedlings, and inhibit crop growth, just as crops are grown on salinized soil with higher salinity. In the crop growth period, excessive application of nitrogen fertilizer will cause crops to appear lengthy, greedy and late-maturing, easy to fall and incur pests and diseases, eventually leading to an increase in openness, a decrease in 1000-grain weight, and a decrease in yield. Excessive application of phosphate fertilizer is also unfavorable for crop growth. Not only is the vegetative period shortened, the maturity period is advanced, premature aging occurs, and it is easy to cause deficiency of nutrients such as zinc, iron and magnesium, which affects crop quality. Excessive application of potash or trace elements is also unfavorable for crop growth.
Therefore, the fertilizer is not applied as much as possible. Do more, not only waste, but also cause damage to crops.
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