Forage profits with lime /

by Pratt, J. Neal, Grey, Carl, Welch, C. D., Novosad, Albert C., Alston, G. D. (George Dale)
Published 1971

Field crop fertilization on Texas Blackland and Grand Prairie soils /

by Welch, C. D., Grey, Carl, Cole, Joe E., Alston, G. D. (George Dale), Kissel, David E., Birchett, John R.
Published 1977

Field crop fertilization on Texas Blackland and Grand Prairie soils /

by Welch, C. D., Grey, Carl, Alston, G. D. (George Dale), Hipp, Billy W.
Published 1980

Crop fertilization on East Texas soils /

by Welch, C. D., Grey, Carl, Matocha, John, Alston, G. D. (George Dale)
Published 1974