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1)尿素与碳铵不宜混用或同时施用,混用会使尿素转化成氨的速度大大减慢,易造成尿素的流失和挥发损失。尿素也不能与石
1) urea and ammonium bicarbonate should not be mixed or applied at the same time, mixing will slow down the conversion of urea into ammonia, easily lead to the loss of urea and loss of volatility. Urea can not be with stone