soil types india crops suitable soils cotton agrifarming called
soils different alluvial loamy laterite sandy morphological reflectometry sensors prospects significance saline moisture alkaline usda nrcs composition mountain marshy peaty
soil profile horizons properties profiles geology roots their between general learning
layers sub park compost formation silt mineral
soil india types soils alluvial major red alkaline groups peaty saline indian group laterite lateritic terai forest marshy desert pmf
soils alluvial laterite saline marshy peaty alkaline