黑土水溶性有机碳对有机物料还田的响应

魏丹,蔡姗姗,李艳,金梁,王伟,李玉梅,白杨,胡钰

The Response of Water-Soluble Organic Carbon to Organic Material Applications in Black Soil

Dan WEI,ShanShan CAI,Yan LI,Liang JIN,Wei WANG,YuMei LI,Yang BAI,Yu HU

表4 三维荧光区域积分（FRI）百分比

Table 4 Percentage of fluorescence region integral

处理 Treatment Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ NPK 2.26±0.27a 3.49±0.17a 22.95±0.25a 7.00±0.04b 64.31±0.63a MNPK 1.40±0.39b 3.37±0.14a 19.82±0.10c 11.04±0.27a 64.37±0.80a BNPK 2.02±0.27ab 3.41±0.19a 22.37±0.16b 7.08±0.13b 65.11±0.67a SNPK 2.23±0.09a 3.46±0.06a 22.76±0.15ab 6.80±0.23b 64.75±0.24a