Yazar
Robert Waitman Clothier
2 cilt bulundu.
Cilt sonuçları
A system of pasturing alfalfa in Salt River Valley, Ariz
Robert Waitman Clothier · U.S. Dept. of Agriculture, Office of the Secretary
Sayfa sayısı yok · 1915
Alfalfa / Pastures
Farm organization in the irrigated valleys of southern Arizona
Robert Waitman Clothier · U.S. Dept. of Agriculture
59 sayfa · 1918
Agriculture / Farm management / Irrigation farming