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Ammonification or putrefaction by putrefying bacteria and fungi .

腐败细菌及真菌的氨化作用或腐败作用。

The interfering factors of arginine ammonification method .

精氨酸氨化方法的干扰因素分析。

The characteristics of nitrogen fixation , ammonification , nitrification and denitrification in coastal zones .

海岸带地区的固氮、氨化、硝化与反硝化特征。

Terrestrial microorganisms play a vital role in soil nitrogen cycling . They participate in important ecological processes such as nitrogen fixation , ammonification , nitrification and denitrification .

土壤微生物在土壤氮循环中发挥着不可替代的作用，参与了包括固氮作用、氨化作用、硝化作用和反硝化作用等重要生态过程。

The respiration , ammonification , nitrification and cellulose decomposition of the soil in the drought white gourd forest were all higher than that in other utilization types of soils .

旱冬瓜林地土壤呼吸作用、氨化作用、硝化作用和纤维素分解作用均高于其他利用类型土壤。