人们把含有氮、磷、钾及其他营养元素的单元或二元肥料按一定比例掺混而成的混合肥料通称为BB肥。1998年7月,河南省土肥站向全省提出“组建测配站,推广BB肥”的目标,到目前,全省已建测配站70多座,BB肥推广量也迅速递增,今年预计将达到6万余吨。 BB肥之所以热销,是因为它有以下特点; 一是针对性强 省、县各级土肥站可根据不同作物、不同产量、不同土壤类型,甚至不同田块进行配制,避免 People will contain nitrogen, phosphorus, potassium and other nutrients element or binary fertilizer by mixing a certain percentage of the compost known as BB fertilizer. July 1998, Henan Province, Tucheng station proposed to the province “to set up the test station to promote BB fertilizer” goal, up to now, the province has built more than 70 test stations, BB fertilizer promotion volume also increased rapidly this year is expected Will reach more than 60,000 tons. The reason why BB fertilizer is hot is because it has the following characteristics: First, targeted provincial and county soil fertilizer stations at all levels can be based on different crops, different yields, different soil types, or even different plots to be formulated to avoid