长期施用有机肥对潮土区甘薯碳氮积累与分配的影响

赵鹏,刘明,靳容,陈晓光,张爱君,唐忠厚,魏猛

Effects of Long-Term Application of Organic Fertilizer on Carbon and Nitrogen Accumulation and Distribution of Sweetpotato in Fluvo- Aquic Soil Area

ZHAO Peng,LIU Ming,JIN Rong,CHEN XiaoGuang,ZHANG AiJun,TANG ZhongHou,WEI Meng

图7 土壤性质与甘薯碳氮分配比例的主成分分析 A/G-C:地上部碳固持量比例Carbon fixation ratio of the above ground;A/G-N:地上部氮固持量比例Nitrogen fixation ratio of the above ground;A/G-C/N:地上部碳氮比Carbon nitrogen ratio of the above ground;U/G-C地下部碳固持量比例Carbon fixation ratio of the underground;U/G-N:地下部氮固持量比例Nitrogen fixation ratio of the underground;U/G-C/N:地下部碳氮比Carbon nitrogen ratio of the underground

Fig. 7 Principal component analysis of soil properties and distribution ratio of carbon and nitrogen in sweetpotato