Building up virulence in phytophthora infestans Donald ReddickWilford Mills OriginalPaper Pages: 29 - 34
The influence of acid and neutral fertilizer mixtures upon the yield of potatoes on the limed plats at onley, virginia Jackson B. Hester OriginalPaper Pages: 35 - 37
Report of the certification committee of the potato association of America K. H. Fernow BriefCommunication Pages: 43 - 47