同学们，你们知道什么是“EM”生物技术吗？“EM”既不是化肥也不是农药，而是由８０多种微生物培育出的一种复合菌群。“EM”的重要用途是降解土壤中化肥和农药残留的有害成分，恢复原有的微生物的优势，不仅有助于作物的增产，还避免了环境污染。在日本，水稻施用“EM”后， Students, do you know what “EM” biotechnology is? The “EM” is neither a fertilizer nor a pesticide, but a complex of bacteria grown by over 80 microorganisms. The important use of “EM” is to degrade the harmful components of fertilizers and pesticide residues in the soil and restore the advantages of the original microorganisms, which not only contributes to the increase of crops, but also avoids environmental pollution. In Japan, after applying “EM” to rice,