Relating apparent electrical conductivity to soil properties across the north-central USA
Keywords: سنسور ; CEC; cation exchange capacity; DGPS; differential global positioning system; EC; electrical conductivity; ECa; apparent soil electrical conductivity; ECa-sh; shallow (0-30Â cm) ECa measured by Veris 3100; ECa-dp; deep (0-100Â cm) ECa measured by Veris