Yazar
john c evvard
8 cilt bulundu.
John C. Evvard · National Aeronautics and Space Administration
20 sayfa · 1968
Atmospheric turbulence / Aeronautics in meteorology
John M. Evvard, Russell Dunn, C. C. Culbertson · Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
229 sayfa · 1923
Lambs / Feeding and feeds / Corn as feed
John M. Evvard, C. C. Culbertson, Q. W. Wallace · Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
400 sayfa · 1923
Lambs / Feeding and feeds / Molasses as feed
W. E. Hammond, John M. Evvard, C. C. Culbertson · Agricultural Experiment Station, Iowa State College of Agriculture and Mechanical Arts
256 sayfa · 1931
Alfalfa as feed / Soybean as feed / Sheep / Feeding and feeds
John M. Evvard, C. C. Culbertson, W. E. Hammond, K. K. Henness · Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
183 sayfa · 1926
Soybean as feed / Lambs / Feeding and feeds