Investigations with maleic hydrazide on potatoes I. Effect of time of application and concentration upon potato performance Herman TimmJ. C. BishopB. J. Hoyle OriginalPaper Pages: 115 - 123
The relationship between peroxidase activity in potato leaves and resistance toPhytophthora infestans Vilhelm Umaerus OriginalPaper Pages: 124 - 131
Some effects of sources of nitrogen and biuret on potatoes H. W. GausmanG. O. EstesR. A. Struchtemeyer OriginalPaper Pages: 132 - 136
A simplified method of isolating single cells of Steptomyces Lawrence A. SchaalL. W. Dirrell News and Reviews Pages: 137 - 139
USDA reports estimated normal crop use of land now in conservation reserve Announcement Pages: 141 - 141
Polyethylene experts answer produce packaging problems at National Packaging Exposition Announcement Pages: 143 - 143