1、都来牌BB肥是什么样的化肥? 都来牌BB肥是湖北省土肥专家根据田间取土测定土壤养分含量结果,再根据作物、气候条件不同,利用计算机专家系统分析,选用进口大颗粒钾肥、尿素、磷铵等原料配制而成的肥料。BB肥是国家沃土工程项目指定推广应用的新型配方肥,是测土配方平衡施肥技术物化的产物。推广目 1, are to what brand of BB fertilizer fertilizer? Have come to the brand BB fertilizer is soil fertilization experts in Hubei Province soil nutrient content determination of soil according to the field, and then according to crops, different climatic conditions, the use of computer expert system analysis, selection of imported large Granule potassium, urea, ammonium phosphate and other raw materials formulated from the fertilizer. BB fertilizer is the national fertile soil project designated to promote the use of a new type of fertilizer, soil testing and balance fertilization technology is the product of physical and chemical products. Promotion purposes