Major potato diseases, nematodes and insects
International Potato Center
Major potato diseases, nematodes and insects International Potato Center, Lima - Lima International Potato Center 1983 - 39p.; 22cm.
635.212 IN8M
Major potato diseases, nematodes and insects International Potato Center, Lima - Lima International Potato Center 1983 - 39p.; 22cm.
635.212 IN8M