Figure 8From: Cropping practices, soil properties, pedotransfer functions and organic carbon storage at Kuanria canal command area in India Pedotransfer functions (PTFs) for water retention at permanent wilting point (PWP, -1500 kPa) using clay content of soils from different sites under major cropping systems in the command area; R 2 , coefficient of determination (*significant at p < 0.05); RMSE, root mean square error; ME, mean error. Back to article page