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w t potts
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Cilt sonuçları
Chemical Investigations of the Tobacco Plant
George H. Plumb, Harry Johnstone Fisher, Hubert Bradford Vickery, John C. Schread, Neely Turner, Philip Garman, Samuel Frederick Potts, A. DeCaprio, Alfred N. Meiss, W. T. Brigham · Yayınevi bilinmiyor
790 sayfa · 1953
Adelges
Whiskers and Other Weighty Matters
OAC Review Index (University of Guelph), W. T. Hobden, Malcolm MacEwen, Bernard Ungerson, D. L. Minshall · Yayınevi bilinmiyor
2 sayfa · 1937
Kategori yok
Potato and Its Culture - Varieties Found Most Useful
Canada. Dept. of Agriculture. Central Experimental Farm, W. T. Macoun · Yayınevi bilinmiyor
Sayfa sayısı yok · 1905
Kategori yok
Potato Club Lessons and Instructions for 1917
V. L. Martineau, W. T. Conway, New Mexico College of Agriculture and Mechanic Arts. Extension Service · Yayınevi bilinmiyor
9 sayfa · 1917
Agricultural extension work