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该文主要讨论采用有效微生物菌剂（ＥｆｅｃｔｉｖｅＭｉｃｒｏｏｒｇａｎｉｓｍｓ）抑制稻田甲烷气体排放的试验结果．试验表明：第一年中抑制作用明显，平均在５９％以上，并且使负通量（即稻田成为吸收大气中ＣＨ４的汇）的出现频率增加．这可能是ＥＭ中含有的光合细菌作用所致．试验还表明使用ＥＭ时可以取代化肥使产量增加
This paper mainly discusses the test results of using Efective Microorganisms to suppress methane gas emission from paddy fields. Experiments showed that in the first year, the inhibition was obvious with an average of above 59%, and the frequency of negative flux (that is, the sink of the paddy field becoming a sink for absorbing CH4 in the atmosphere) increased. This may be caused by photosynthetic bacteria contained in EM. Experiments also show that the use of EM can replace fertilizers to increase production