Salt-affected soils in Argentina

Maps of pH on water, electrical conductivity (dS/m), exchangeable sodium percent (%) and soils affected by salts in Argentina at different depth intervals (0-30 and 30-100 cm) at 1000 m resolution. Including the tree standard layers and error estimation using random forest. Global accuracy based on cross-validation.

sp

RMSE

Rsquared

EC (dS/m) 0-30 cm

5.53

0.134

EC (dS/m) 30-100 cm

5.77

0.208

pH on water 0-30 cm

0.84

0.456

pH on water  30-100 cm

0.80

0.523

Exchangeable sodium percent (%) 0-30 cm

13.08

0.169

Exchangeable sodium percent (%) 30-100 cm

15.40

0.187