日本新型肥料的研究与应用随着生产发展，复合肥的研制进展轻快，而且高浓度复合肥比例明显提高。１９６０年复合肥占３７．８％，其中高浓度复肥占复肥总量的２４．４％；１９７０年复肥占８８．４％，其中高浓度复肥占６９．３％。近１０多年，对新型肥料提出：高浓度、... Research and Application of New Type Fertilizer in Japan With the development of production, the research and development of compound fertilizer has progressed lightly, and the proportion of high-concentration compound fertilizer has obviously increased. In 1960, compound fertilizer accounted for 37.8%, of which, high-concentration compound fertilizer accounted for 24.4% of the total amount of compound fertilizer; in 1970, compound fertilizer accounted for 88.4%, of which, high-concentration compound fertilizer accounted for 69.3%. In the past 10 years, proposed for new type of fertilizer: high concentration, ...