Guide for interpreting soil test information
Welch, C.D.
Guide for interpreting soil test information by C.D. Welch, et. al. - Raleigh North Carolina Agricultural Experiment Station 1963 - 57 p.
Soil Testing
631.423 / W 439 G
Guide for interpreting soil test information by C.D. Welch, et. al. - Raleigh North Carolina Agricultural Experiment Station 1963 - 57 p.
Soil Testing
631.423 / W 439 G