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

表1 长期定位试验不同处理年施肥量（1985—2019年）

Table 1 Fertilizer application rates in different treatments (1985-2019)

处理 Treatment N (kg·hm-2 ) P2O5 (kg·hm-2) K2O (kg·hm-2) 有机肥 Organic fertilizer (kg·hm-2) CK 0 0 0 0 NPK 300 150 225 0 M 0 0 0 37500 MNPK 300 150 225 37500