ＢＢ肥在我国多为袋装掺混肥料。该肥料产生于美国，目前已在发达国家普遍应用。美国８０年代初就有大约 ５ ０００套ＢＢ肥生产装置，产量近２ ０００万吨，占其复合肥总量的６０％。日本的ＢＢ肥产量已达５１万吨，马来西亚的ＢＢ肥用量占化肥总量的７０％。我国ＢＢ肥生产起 BB fertilizer in our country mostly for the bagged fertilizer. The fertilizer was produced in the United States and is now widely used in developed countries. In the early 1980s, the United States had about 5,000 BB fertilizer production facilities with a production capacity of nearly 20 million tons, accounting for 60% of the total amount of compound fertilizer. Japan’s BB fertilizer production has reached 510,000 tons, Malaysia’s BB fertilizer accounts for 70% of the total fertilizer. China’s BB fertilizer production