Nitrogen sources, levels and timing for cotton on clay soils in Northeast Arkans
Hardy, G.W., Garrett, J.D.
Nitrogen sources, levels and timing for cotton on clay soils in Northeast Arkans - Fayetteville 1955 - 16 p. - No. 140; Arkansas, Agricultura .
Nitrogen sources, levels and timing for cotton on clay soils in Northeast Arkans - Fayetteville 1955 - 16 p. - No. 140; Arkansas, Agricultura .