实验结果表明：内蒙古温带草甸草原土壤N2O产生过程以硝化作用为主。
The research results showed that the heterotrophic nitrification is the important microbiological process of N2O production in this kind soil.
由于自养硝化作用在不同季节的发生，使得草甸草原土壤N2O的产生潜势也高、低起伏变化。
The increasing and decreasing of N2O production potential result from the appearance of autotrophic nitrification in different growing period.
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