Yazar
Harold Payne Singleton
8 cilt bulundu.
Harold Payne Singleton · State College of Washington, Agricultural Experiment Station
22 sayfa · 1925
Agriculture / Irrigation farming
Harold Payne Singleton · State College of Washington, Agricultural Experiment Station
31 sayfa · 1945
Feeding and feeds / Cattle / Sugar beet as feed / Molasses as feed
Harold Payne Singleton · State College of Washington, Agricultural Experiment Station
26 sayfa · 1937
Sandy loam soils / Fertilizers / Soil productivity
Harold Payne Singleton · State College of Washington, Agricultural Experiment Station
15 sayfa · 1926
Alfalfa
Harold Payne Singleton · State College of Washington, Agricultural Experiment Station
20 sayfa · 1930
Grain / Field experiments
Harold Payne Singleton · State College of Washington, Agricultural Experiment Station
22 sayfa · 1933
Corn
Harold Payne Singleton · U.S. Dept. of Agriculture and the Washington Agricultural Experiment Stations, State College of Washington
75 sayfa · 1950
Soils / Irrigation / Field experiments