【摘要】 <正> 不论是从农业还是从环境角度看,反硝化作用已经引起越来越多的关注。其研究目的可以归纳为两个方面:其一是农业方面着重控制土壤的反硝化作用以减轻氮肥的逸更多还原

【Abstract】 The purpose of this paper is to study the influence of denitrification in soil under different conditions, which inclulude inaerobic intensity, pH value, organic matter contents and temperatue. Data obtained show that velocity of denitrification is logarithmically proportional to time. Adjusting pH values and constantly supplying organic matter will keep continuity of denitrification. N2O, the product of denitrification. is quantified by using gas-charomatography and ethyne is used as an inhibitor. The results of the experiment describe the regularity of denit-tification mechanism in soil.更多还原