我场位于全国生态建设示范县（市）江苏省大丰市境内。围绕绿色食品的开展，我们在大面积生产上应用增产菌、稀土等生物微肥，可使玉米、小麦等作物增产５～１５％，效果显著，且对生态环境无污染。 １９９６年，为进一步探讨增产菌、稀土在大豆生产上的应用效果，我们采用了增 My field is located in the national ecological construction demonstration counties (cities) in Dafeng City, Jiangsu Province. Focusing on the development of green food, we will increase the production of bacteria, rare earth and other biological fertilizer in large-scale production, which will increase the output of crops such as corn and wheat by 5% to 15% with remarkable results and no pollution to the ecological environment. In 1996, in order to further explore the effect of increasing bacteria and rare earth on soybean production, we adopted