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Hardy varieties of apples for northeastern Colorado
E. P. Sandsten, Colorado Agricultural Experiment Station · Colorado Experiment Station
Sayfa sayısı yok · 1924
Apples / Hardiness / Varieties
Orchard management in Colorado
E. P. Sandsten, Ferris Milton Green, L. R. Bryant · Colorado State College, Colorado Experiment Station
55 sayfa · 1940
Fruit-culture