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Redundancy analysis (RDA) on operational taxonomic unit (OTU) level, soil properties, and Pf/Pi of cereal cyst nematode at wheat jointing stage in 2nd year trial. CK, without fertilizer; CF, chemical fertilizer; OF, organic fertilizer. Soil properties: TN, total N; TP, total P; TK, total K; AP, available P; AK, available K; OM, organic matter. The OTUs represent the 12 most abundant species.
