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Cilt sonuçları
Potato Scab and Possibilities of Prevention ; A Disease of Beets Identical with "deep Scab" of Potatoes ; Hastening the Maturity of Potatoes
C. B. Waldron, Edwin Fremont Ladd, Henry Luke Bolley, Theries D. Hinebauch, Willet Martin Hays · Yayınevi bilinmiyor
470 sayfa · 1891
Agriculture
Mechanical Analysis and Water Content of Wyoming Soils
Aven Nelson, Burt C. Buffum, C. B. Ridgaway, Edwin Emery Slosson, William Harmon Fairfield · Yayınevi bilinmiyor
484 sayfa · 1902
Agriculture