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添加竹炭对设施菜地土壤氮磷流失和微生物群落结构的影响

Acta Agriculturae Zhejiangensis(2018)

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Abstract
借助Miseq高通量测序分析技术,研究竹炭添加对设施菜地土壤氮磷流失和微生物群落结构的影响.结果表明,与空白对照相比,竹炭处理下蔬菜产量显著(P<0.05)增加21.5%,沟渠水总氮(TN)平均浓度降低5.5%,总磷(TP)平均浓度显著(P<0.05)下降48.3%.通过Chao、ACE、Shannon、Simpson指数可以发现,添加竹炭增加了土壤中细菌的多样性,促进了土壤优势微生物群落的富集,但影响均不显著.
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