With the increasing of the years of continuously cropping, the number of ammonification bacteria, nitrifying bacteria, free-living nitrogen fixing bacteria in the soil have decreased, meanwhile the number of denitrifying bacteria have increased.
氮素生理群氨化细菌、硝化细菌、自生固氮菌数量下降,反硝化细菌数量增加。
参考来源 - 连作和轮作棉田土壤微生物多样性分析及PGPR菌株筛选·2,447,543篇论文数据,部分数据来源于NoteExpress
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