Yazar
William Marion Jardine
3 cilt bulundu.
Cilt sonuçları
Notes on dry farming
William Marion Jardine · U.S. Dept. of Agriculture, Bureau of Plant Industry
Sayfa sayısı yok · 1908
Dry farming
Dry-land grains
William Marion Jardine · U.S. Dept. of Agriculture, Bureau of Plant Industry
14 sayfa · 1908
Dry farming / Grain / Wheat
Address of Secretary of Agriculture W. M. Jardine given at conference of representatives of agricultural colleges and experiment stations to consider problems arising incident to the Purnell Act, held at St. Louis, Mo., April 20 and 21, 1925
William Marion Jardine · Yayınevi bilinmiyor
16 sayfa · 1925
Law and legislation / Agriculture / Finance / Research