Culture and varieties of roots for root-feeding
Fraser, Samuel, Gilmore, John W., Clark, Charles F.
Culture and varieties of roots for root-feeding - Ithaca 1907 - 77-122 p. - Culture, Varieties, Roots, Feeding Cornell Agricultural Experiment Station. Bulletin No. 244 .
Culture and varieties of roots for root-feeding - Ithaca 1907 - 77-122 p. - Culture, Varieties, Roots, Feeding Cornell Agricultural Experiment Station. Bulletin No. 244 .