1. Temperature is an extremely important condition that affects the effect of fertilizer application. On the one hand, it can affect the transformation of fertilizers in soil and the accumulation of effective nutrients; on the other hand, it also affects the internal physiological effects of crops.
2. Fertilization in high temperature season is very likely to cause loss of fertilizer, especially nitrogen fertilizer.
3. During the high temperature season, the crop grows very quickly. If it is applied deeply during fertilization, it will easily cause damage to the crop roots or the upper seedlings, especially for some crops that grow taller, if deep fertilization is applied at this time Will cause crop damage.
4. The time for fertilization should be well mastered, because the temperature is too high at noon in the summer, especially at noon from two to four, so generally after six o'clock in the afternoon, the highest temperature point has passed.
5. Fertilizer amount: Can't be the same amount of fertilizer as normal weather.
6. Pay attention to the method of fertilization. Most farmers are accustomed to applying chemical fertilizers with water. However, this method should not be used in summer hot season because the temperature is high. When the chemical fertilizer is used, a large amount of ammonia volatilizes will reduce the fertilizer effect. Therefore, it is best to apply acupuncture points.
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