Aspiazu, Celestino, Robert H. Shaw. Comparison of several methods of growing-degree-unit calculations for corn (Zea mays L.) 435

Felch, R.E., R.H. Shaw and E.R, Duncan. The climatology of growing degrees in Iowa. 443

Jarvis, J.L. and W.D. Guthrie. Relation of horticultural characteristics of peppers to damage by larvae of the European corn borer. 463