一、土壤、肥料及植物分析化验的意义土壤和肥料都是我们熟悉的,是经常和它打交道的。同时,“土”、“肥”是农业“八字宪法”的一部分。我们能用眼、手、鼻来初步区别它的一些性质,靠经验也能知道土壤和肥料的好坏,但要进一步了解一些看不见的性质,就必须靠土壤肥料的分析化验。具体地说,就是要分析化验肥料中的氮、磷、钾养分含量,土壤的养分、水分和空气状况,有没有特殊的性质(如:盐、碱、毒质),以及土壤的耕性怎 First, the significance of soil, fertilizer and plant analysis and testing Soil and fertilizers are familiar to us, and often deal with it. At the same time, “earth” and “fat” are part of the “eight-character constitution” of agriculture. We can differentiate some of its properties by eyes, hands and nose. We can also know the soil and fertilizers by experience. But to understand some invisible nature, we must rely on the analysis of soil and fertilizer. Specifically, it is necessary to analyze the nitrogen, phosphorus and potassium nutrient content of laboratory fertilizers, soil nutrients, water and air conditions, there are no special properties (such as: salt, alkali, toxins), and how the soil tillage