Variables	PC1	PC2	PC3	PC4	PC5	PC6
Q_MPF	0.316	0.184	−0.153	−0.060	−0.106	−0.121
DA	0.317	0.179	−0.154	−0.089	−0.074	−0.392
BE	−0.344	0.023	−0.089	0.195	−0.210	−0.139
BS	−0.081	0.395	0.277	0.092	−0.096	0.300
BP	0.323	0.166	−0.149	−0.064	−0.074	0.211
VL	0.318	0.178	−0.152	−0.079	−0.076	−0.134
SF	−0.101	0.357	−0.299	−0.217	0.139	−0.059
DD	−0.321	0.114	−0.121	−0.220	−0.346	−0.372
VS	−0.281	0.210	0.096	−0.221	0.550	−0.194
ER	0.068	−0.410	0.212	0.241	0.075	−0.526
clay	−0.117	−0.361	−0.218	−0.343	−0.166	0.325
sand	0.234	0.222	0.292	−0.231	0.203	−0.074
loam	−0.033	0.306	0.056	0.652	0.058	0.007
MAR	−0.262	0.242	−0.222	0.170	−0.230	0.089
forest	−0.317	0.041	−0.223	−0.080	0.397	−0.048
AGR	−0.179	0.177	0.382	−0.240	−0.435	−0.228
PD	−0.044	0.042	0.533	−0.199	−0.011	0.172