长期施用磷肥和有机肥黄壤微生物量磷特征

刘彦伶,李渝,张艳,张雅蓉,黄兴成,张萌,张文安,蒋太明

Characteristics of Microbial Biomass Phosphorus in Yellow Soil Under Long-Term Application of Phosphorus and Organic Fertilizer

YanLing LIU,Yu LI,Yan ZHANG,YaRong ZHANG,XingCheng HUANG,Meng ZHANG,WenAn ZHANG,TaiMing JIANG

表2 不同施肥处理氮磷钾总养分投入量

Table 2 Total N, P, K nutrient application rates under different fertilization treatments

处理 Treatment 鲜牛厩肥 Cow manure (t·hm-2) N (kg·hm-2) P2O5 (kg·hm-2) K2O (kg·hm-2) CK 0.0 0.0 0.0 0.0 NK 0.0 165.0 0.0 82.5 NPK 0.0 165.0 82.5 82.5 M 61.1 165.0 79.4 366.6 0.5MNP 30.6 165.0 81.0 183.3 MNPK 61.1 330.0 161.9 449.1