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氮的矿质化是指微生物将有机氨转变为NHJ—N的过程,这个过程的快慢也是土壤供氮性能的一个指标。硝化作用是指微生物将NHI—N转变为NO;一N的过程,氨的固定是指微生物将氨同化的过程。测定土壤中微生物对氮转化的理想方法是对土壤的扰动既很小又能对转化速率直接测定,Davids
Mineralization of nitrogen refers to the process by which microorganisms convert organic ammonia to NHJ-N, and the speed of this process is also an indicator of soil nitrogen supply. Nitrification refers to the process by which microorganisms convert NHI-N to NO. An N process is a process by which ammonia is assimilated by microorganisms. The ideal method for determining microbial conversion to nitrogen in soils is that the disturbance to the soil is small and can be directly determined by the rate of transformation. Davids