腐殖酸磷肥中的腐殖酸对磷迁移的影响及机理
景建元,袁亮,张水勤,李燕婷,赵秉强

Effects and Mechanism of Humic Acid in Humic Acid Enhanced Phosphate Fertilizer on Fertilizer-Phosphorus Migration
JING JianYuan,YUAN Liang,ZHANG ShuiQin,LI YanTing,ZHAO BingQiang
表3 HA与PHA对Ca2+等温吸附拟合参数
Table 3 Isotherm parameters for the adsorption of Ca2+ with HA and PHA
Langmuir等温吸附模型 Freundlich等温吸附模型
qmax (mg·g-1) b R2 kF n R2
HA 14.84 0.76 0.996 6.06 2.81 0.93
PHA 12.79 0.80 0.989 5.40 2.83 0.97