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2 不同处理土壤性质
Table 2 Soil properties relative to treatment
处理
Treatment
pH
(1:5 water)
EC
(μs·cm-1)
SOC
(g·kg-1)
TN
(g·kg-1)
AP
(mg·kg-1)
AK
(mg·kg-1)
CK 7.95±0.09 a 356.73±20.54 a 8.42±1.12 c 0.73±0.04 d 5.84±2.48 c 38.08±5.44 d
NPK 7.91±0.06 ab 130.78±7.16 b 13.06±2.2 b 1.22±0.12 c 12.87±1.74 c 92.11±2.28 b
M 7.94±0.04 a 77.32±14.16 c 17.63±1.49 a 1.48±0.09 b 173.84±22.6 a 65.08±9.96 c
MNPK 7.82±0.05 b 133.95±7.33 b 18.18±1.13 a 1.67±0.05 a 131.45±8.58 b 124.56±14.81 a