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根据江苏宿豫县土壤肥力状况及水稻需肥规律，研制推广水稻专用 ＢＢ肥（２０—８—１７），在有代表性的土壤上进行试验。结果表明：施用水稻专用 ＢＢ肥，有利于稳定水稻群体，减轻病虫危害，增产效果显著，经济效益明显。运筹方法上以每公顷基施 ３７５ ｋｇ专用 ＢＢ肥加 ３７５ ｋｇ碳铵作返青肥，加 １５０ ｋｇ尿素作稳肥效果较好。
According to the soil fertility status of Suyu County of Jiangsu Province and the rules of rice manure, a special BB fertilizer for paddy rice (20-8-17) was developed and tested on representative soil. The results showed that the application of special BB fertilizer for rice was beneficial to stabilize the rice population, alleviate the pests and diseases, significantly increase the yield and obvious economic benefits. In the method of research and development, 375 kg of special BB fertilizer per hectare and 375 kg of ammonium bicarbonate were added to the green manure. Adding 150 kg of urea as the stable manure had a good effect.