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复合肥料是目前农业生产上广泛施用的一类化学肥料,它与单质肥料相比具有许多优点,是化学肥料发展的方向,但施用不当也会给作物带来不利的影响或造成肥料养分的浪费。在施用复合肥料时应注意下面几个问题。一、复合肥易做底肥或种肥做底肥时,在播种前,整地时施下去,一般施到耕层10—20厘米;做种肥时,一定要注意种肥隔离5—10厘米,一般施于耕层10—15厘米。二、要合理确定施肥量
Compound fertilizers are a kind of chemical fertilizers that are widely used in agricultural production. They have many advantages over simple fertilizers and are the development direction of chemical fertilizers. However, improper application can adversely affect the crops or cause waste of fertilizers . In the application of compound fertilizer should pay attention to the following questions. First, the compound fertilizer easy to do at the end of base fertilizer or fertilizer for the base fertilizer, before sowing, when applied to the preparation, generally applied to the plow layer 10-20 cm; when doing fertilizer, we must pay attention to the kind of fertilizer isolation 5-10 cm, the general Applied to the top layer 10-15 cm. Second, we must determine the amount of fertilizer