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复合肥是在一种化肥中含有氮、磷、钾三要素中的两种或两种以上的肥料。含有任何两种要素的复合肥料称二元复合肥,含有三要素的肥料称为三元复合肥,合理施用复合肥要注意以下三个问题。一、了解复合肥的优缺点及分类(一)优点1.养分含量高,主要营养元素多。复合肥的养分总量一般比较高,营养元素种类较多,一次施用复合肥,至少同时可供应作物两种以上的主要营养元素。
Compound fertilizer is a kind of fertilizer containing nitrogen, phosphorus and potassium three elements of two or more kinds of fertilizer. Compounded fertilizers containing any two elements are called binary compound fertilizers, and fertilizers containing three elements are termed compound fertilizers. The following three issues should be addressed in the rational application of compound fertilizers. First, understand the advantages and disadvantages of compound fertilizer and classification (A) Advantages 1. High nutrient content, the main nutrient elements. The total nutrient content of fertilizer is generally relatively high, more types of nutrients, a compound fertilizer, at least at the same time can supply more than two crops of the main nutrients.