一、国内外动态测土施肥技术在国外一些发达的国家已成为指导农业生产的一种常规技术,就国外而言,大体可分为三大类型。(1)土壤养分丰缺指标法.如北美,西欧等;(2)目标产量施肥法,如东欧、保加利亚等;(3)土壤诊断法,如日本等国。我国在测土施肥方面的研究较晚,在六十年代初期曾经研究过植株营养 First, domestic and foreign dynamic soil testing and fertilization technology Some developed countries in foreign countries have become a guide to agricultural production of a conventional technology, for foreign countries, can be divided into three broad categories. (1) index of soil nutrient abundance and deficiency, such as North America, Western Europe, etc .; (2) target yield fertilization, such as Eastern Europe, Bulgaria, etc .; (3) soil diagnosis, such as Japan and other countries. In the field of soil testing and fertilization in late, early in the sixties have been studied plant nutrition