Applying more nitrogen would increase the content of soil microbial biomass nitrogen, but might result in large amount of nitrate residue in soil and suspected to leaching loss.
继续增加施氮量，土壤微生物量氮含量增加，但土壤中残留大量硝态氮，易淋溶损失。
The amount of the nitrogen mineralized by applying nitrogen fertilizer in continuously waterlogged incubation is much higher than that of control during the whole period of incubation.
土壤的氮素矿化氮量在连续培养过程中施氮肥处理明显高于对照处理；
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