备耕期间购买化肥,看起来很简单,但也是一门学问,盲目地大量购买和使用化肥,既积压了资金,又达不到增产增收的目的,还会带来土壤板结等后患。那么,一个农户种1亩地应该买多少化肥呢? 我们知道,不同作物对氮、磷、钾的需要量是不一样的,并非施得越多越好。而且,土壤肥力、气温、日照和雨量等自然条件不同,种植品 The purchase of chemical fertilizers during the preparation of arable land may seem simple. However, it is also a knowledge that large quantities of chemical fertilizers are blindly purchased and used, not only backloging funds but also failing to increase production and income, which will also bring troubles such as soil compaction. So, how much fertilizer should a farmer plant for 1 mu? We know that the demand of different crops for nitrogen, phosphorus and potassium is not the same, not the better. Moreover, soil fertility, temperature, sunshine and rainfall and other natural conditions, planting