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化学肥料是用化学方法制造的肥料,一般所称肥田粉,最初是专指“硫酸铵”化学肥料。当然化学肥料不只硫酸铵一种。至于现在所称肥田粉并不一定是化学肥料,这一点值得我们注意。所以应当注意肥料的详细名称和成分,如硫酸铵,过鏻酸钙以及其它等等字样,以便识别。用时要看清它的化验证明,注意它的成分含量或再加入简单鉴别,以资判断。常见的化学肥料,有以下两个优点:
Chemical fertilizers are chemically manufactured fertilizers, commonly referred to as fertilizer, originally specifically refers to “ammonium sulfate ” chemical fertilizers. Of course, chemical fertilizers are not only a kind of ammonium sulfate. As for the saying that the fertilizer is not necessarily chemical fertilizers, this is worth our attention. Therefore, attention should be paid to the detailed name and composition of fertilizers, such as ammonium sulfate, calcium phosphonium orthophthalocyanine and others, etc., in order to identify. To see when using it to prove that its chemical composition, pay attention to its content or add simple identification, to judge. Common chemical fertilizers have the following two advantages: