紫云英季土壤固氮微生物对外源碳氮投入的响应

杨璐,曾闹华,白金顺,周兴,周国朋,高嵩涓,聂军,曹卫东

Responses of Soil Diazotroph Community to Rice Straw, Glucose and Nitrogen Addition During Chinese Milk Vetch Growth

Lu YANG,NaoHua ZENG,JinShun BAI,Xing ZHOU,GuoPeng ZHOU,SongJuan GAO,Jun NIE,WeiDong CAO

表1 各处理外源有机物料及氮磷钾添加量（每盆装10 kg风干土）

Table 1 Amounts of exogenous addition of organic materials and mineral nutrients for each treatment (10 kg air dried soil in each pot)

处理 Treatment 稻草 Rice straw (g/pot) 葡萄糖 Glucose (g/pot) 氮 N (g/pot) P2O5补入量 P2O5 input (g/pot) K2O补入量 K2O input (g/pot) C/N CK 0 0 0 0.5 1.0 - Rs 40 0 0 0.45 0 66 RsN1 40 0 0.40 0.45 0 25 RsN2 40 0 1.00 0.45 0 13 Glc 0 40 0.24 0.50 1.0 66 GlcN1 0 40 0.64 0.50 1.0 25 GlcN2 0 40 1.24 0.50 1.0 13