长期施肥对红壤性水稻土有机碳矿化的影响

吕真真,刘秀梅,仲金凤,蓝贤瑾,侯红乾,冀建华,冯兆滨,刘益仁

Effects of Long-Term Fertilization on Mineralization of Soil Organic Carbon in Red Paddy Soil

ZhenZhen LÜ,XiuMei LIU,JinFeng ZHONG,XianJin LAN,HongQian HOU,JianHua JI,ZhaoBin FENG,YiRen LIU

表2 土壤有机碳矿化的动力学参数

Table 2 Parameters of kinetics under different fertilization treatments

处理Treatments C0 k T1/2 C1 C0/C CK 568.73c 0.033a 21.0a 10.52c 4.53b NPK 583.60c 0.040a 17.3a 27.24bc 3.66c 70F+30M 974.37b 0.039a 17.8a 40.89b 5.08ab 50F+50M 960.02b 0.036a 19.3a 76.92a 4.47bc 30F+70M 1276.31a 0.030a 23.1a 65.46a 5.74a