腐殖酸与不同耕作措施对盐碱土碳库和微生物群落结构的影响

杨彦明, 周祎, 张子健, 赵洋, 李雅剑, 庞雅祺, 王亚迅, 韩雯毓, 刘景辉

Effects of Humic Acid and Different Tillage Measures on Carbon Pool and Microbial Community Structure in Saline Alkali Soil

Yang Yanming, Zhou Yi, Zhang Zijian, Zhao Yang, Li Yajian, Pang Yaqi, Wang Yaxun, Han Wenyu, Liu Jinghui

表1 不同处理碳库管理指数变化

Table 1 Change of different treatments on carbon pool management indexes g/kg

处理 TOC (g/kg) DOC (g/kg) MBC (mg/kg) SIC (%) CO2 [mg/(cm2?24h)] A CPI AI CPMI CK 6.82±0.25b 1.24±0.22bc 309.97±28.08a 9.31±0.03a 86.43±0.80b 0.22±0.05b 1.00 1.00 1.00 HA 8.00±0.70ab 2.74±0.35a 272.25±15.10a 9.21±0.08a 110.37±0.72a 0.52±0.04a 1.17 2.42 2.83 QHA 9.58±0.69a 0.91±0.06d 232.08±31.63ab 9.03±0.04a 73.42±1.15c 0.11±0.01c 1.40 0.49 0.69 ZHA 8.05±1.88ab 1.49±0.18b 151.75±28.07b 9.21±0.07a 84.58±1.14b 0.23±0.04b 1.18 1.09 1.29