测土施肥的概念 当今,国内外作物施肥发展的基本趋向之一是测土施肥。它的具体内容由于研究者各自的理论和实践的基础不同,就可能有不同的理解和回答。根据我们的做法来说,对测土施肥概念可概括为: 通过对土壤当前速效养料的测定,以测定结果为依据,指导当年或当季作物的正确 The concept of soil testing and fertilization Nowadays, one of the basic trends of crop fertilization at home and abroad is soil testing and fertilization. Its specific content may vary depending on the basis of the researchers’ respective theories and practices. According to our approach, the concept of fertilization for soil testing can be summarized as follows: The current available nutrients in the soil are measured based on the results of the measurement to guide the correctness of the current year or seasonal crop