Yazar
Raymond Secord Washburn
2 cilt bulundu.
Cilt sonuçları
Cost of production of an acre of potatoes in Tompkins and Tioga counties
Raymond Secord Washburn · Yayınevi bilinmiyor
91 sayfa · 1913
Potatoes / Economic conditions / Economic condit
Tillage,planting,and harvesting equipment on grain farms and rates of doing field work with these implements when drawn with horse and with tractor power,Northern Great Plains and Pacific Northwest
Raymond Secord Washburn, Della Merrick, Della E. Merrick, United States. Bureau of Agricultural Economics, United States. Department of Agriculture. National Agricultural Library. · Yayınevi bilinmiyor
51 sayfa · 1936
Agricultural machinery / Harvesting machinery / Horses / Grain / Agriculture