Physiologycal aspects of crop yield - Jerry D. Eastin; F.A. Haskins C.Y. Sullivan C.H.M. Van Bavel Richars.C Dinaver (Wiscinsin American Society of Agronomy Crop Science Society, 1969)
Jerry D. Eastin; F.A. Haskins; C.Y. Sullivan; C.H.M. Van Bavel & Richars.C Dinaver: Physiologycal aspects of crop yield. Wiscinsin. American Society of Agronomy Crop Science Society, 1969.--(581.106EAS)
ENGLISH