Freundlich Isotherm parameters Langmuir Isotherm parameters
Soil Type P(mg kg-1 ) k 1/n r2 Soil Type P(mg kg-1 ) b k r2
Nitisol 469 943 0.17 0.94 Nitisol 469 2931 0.08 0.92
Vertisol 273 513 0.18 0.95 Vertisol 273 1629 0.07 0.9
Table 3: P-sorption data as explained by Freundlich and Langmuir sorption isotherms.