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复合肥是近代化肥工业中的重要产品之一。一些工农业较发达的国家,复合肥料在化肥中的比例,与日俱增。据近年来的资料称:英国占79%、美国占67%、法国61%、西德51%,茶叶的主产国日本,早已大量施用氮磷钾结合为一体的多型复合肥;我国也开始生产,同时向国外引进不同比例的复合肥,应用于茶叶生产,使茶园肥料结构发生了变化。如宁德地区今年分配十六万多担从加拿大进口的复合肥。春茶催芽肥已施下九
Compound fertilizer is one of the important products in modern fertilizer industry. In some countries with more developed agriculture and industry, the proportion of compound fertilizers in fertilizers is increasing. According to the information in recent years, the United Kingdom accounts for 79%, the United States accounts for 67%, France 61% and West Germany 51%. Japan, the main producing country of tea, has long been using a large number of compound fertilizers combining NPK with China. Started production, while introducing different proportions of compound fertilizer abroad, used in tea production, the tea plant fertilizer structure has changed. For example, Ningde has allocated more than 160,000 compound fertilizers imported from Canada this year. Spring tea germination fertilizer has been applied nine