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氮肥和磷肥施用对氮循环微生物群落结构的影响及关键因素探究
厌氧粘细菌属(Anaeromyxobacter)是固氮菌的优势属,氮肥施用显著提高了它的相对丰度。施肥显著增加了地杆菌属(Geobacter),但显著降低了动胶菌属(Zoogloea)、根瘤菌属(Rhizobium)和氮氢单胞菌属(Azohydromonas)的相对丰度。施肥引起的根系生物量和 TP、土壤 NH ...
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