j a jackobs

J. A. Jackobs · College of Agriculture, University of Illinois at Urbana-Champaign

141 sayfa · 1983

Field experiments / Soybean / Tables / Varieties

J. A. Jackobs · International Agriculture Publications, College of Agriculture, University of Illinois at Urbana-Champaign

194 sayfa · 1981

Irrigation / Congresses / Soybean

J. A. Jackobs · University of Illinois at Urbana-Champaign, College of Agriculture, Agricultural Experiment Station

22 sayfa · 1970

Alfalfa / Fertilizers

Sinclair, J. B., J. A. Jackobs · International Soybean Program, College of Agriculture/University of Illinois at Urbana-Champaign

206 sayfa · 1982

Quality / Seeds / Congresses / Soybean