提起施肥,人们很自然地想到N、P、K,却时常忽视Cu、B、Fe、Mo、Zn等微量元素肥料。其实,这些元素都同样是作物正常生长不可缺少和不可代替的,只不过是前者用量较大,受到人们重视,而后者在土壤中一般都在万分之几到百万分之几,作物中甚至少到千万分之几到亿分之几,因其“量微”而被人们忽视了。 微量元素肥料用量虽少,所起的作用却很 Lift fertilization, people naturally think of N, P, K, but often overlook Cu, B, Fe, Mo, Zn and other trace element fertilizer. In fact, these elements are also indispensable for the normal growth of crops and can not be replaced, but the former a larger amount, people pay attention to, and the latter in the soil are generally a few parts per million to a few, the crop or even As few as a few millionths to a few hundred millionths have been neglected by people because of their “small quantity”. Although the use of trace element fertilizer is small, the role played is very