植物的矿质营养一、植物需要哪些营养元素? 植物一生中所需要的营养元素是各种各样的。直接能被吸收的养分中,除少数是有机物质外,多数是无机物,一般把这些无机物称为营养元素。据统计,植物所需要的营养元素约有60～70种。而需要量较大的是氮(N)、磷(P)、钾(K)三种元素,约占植物体重的3～4％。这几种元素主要是从土壤中吸收 Plant mineral nutrition First, what nutrients do plants need? The nutrients that plants need in their life are varied. Directly be absorbed nutrients, with the exception of a small number of organic matter, the majority of inorganic substances, these minerals are generally referred to as nutrients. According to statistics, plants need nutrients about 60 to 70 species. The larger amount of nitrogen (N), phosphorus (P), potassium (K) three elements, accounting for about 3 to 4% of plant body weight. These elements are mainly absorbed from the soil