clay_pf csol_sand fd_pft fff frootcn fsr_pft FUN_fracfixers jmaxb0 jmaxb1 kcha kmax krmax leafcn lmr_intercept_atkin nstem prh30 psi50 sand_pf theta_cj tpu25ratio tpuse_sf vcmaxhd wc2wjb0
