When fertilizing crops, some farmers have long been accustomed to overdosing ammonium bicarbonate. This application method will have some negative consequences.
1. The utilization rate of chemical fertilizers is reduced, too much ammonium bicarbonate and urea are used, the soil is difficult to adsorb and preserve, and it is difficult for crops to be absorbed in a short time. In case of rain, it will melt and infiltrate, leading to fertilizer loss and waste.
2. It will reduce the cold resistance of wheat. Excessive application of nitrogen fertilizer will accelerate the pumping and rapid growth of wheat leaves, resulting in the imbalance of carbon and nitrogen in wheat, the reduction of carbon compounds in crops, the growth of wheat seedlings, and the poor cold resistance. , easy to be killed by freezing seedlings.
3. It will reduce the drought resistance and lodging resistance of wheat. Excess nitrogen fertilizer will be applied in the soil cultivation layer and the wheat root system will absorb it nearby, causing the root system to no longer grow downwards and deeper. This shortening of the root system will reduce the drought resistance of wheat and Resistance to collapse.
4, affect the germination and emergence, nitrogen fertilizer is too much, easy to remove uneven, the most prone to fertilizer damage, from time to time will affect the germination and emergence, while the weight led to guide burning, rooting and lack of seedlings off ridge, resulting in the lack of basic wheat seedlings .
5. Soil compaction may occur.
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