秸秆黑炭连续还田对红壤和潮土上硝化作用及氨氧化微生物的影响

来源 :2014年农业资源与环境全国博士生学术论坛 | 被引量 : 0次 | 上传用户:sophiechenq
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国际对生物黑炭(Biochar)的研究多聚焦于其固碳减排和改良土壤的功能,较少关注其对氮素循环的影响.硝化是土壤氮转化的重要环节,紧密关联氮素利用、损失(如硝态氮淋失)、土壤酸化、水体富营养化、温室气体排放等.黑炭对硝化作用促进作用在酸性森林土壤已有研究,但在耕地土壤鲜有报道.
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