C. D. Sopher

Sopher, C. D., McCracken, R. J., & Mason, D. D. (1973). Relationships between drought and corn yields on selected south Atlantic coastal plain soils. Agronomy Journal, 65(3), 351. https://doi.org/10.2134/agronj1973.00021962006500030003x

Sopher, C. D., & McCracken, R. J. (1973). Relationships between soil properties, management practices, and corn yields on South Atlantic Coastal Plain soils. Agronomy Journal, 65(4), 595. https://doi.org/10.2134/agronj1973.00021962006500040020x