Yazar
W J Spillman
30 cilt bulundu.
W. J. Spillman · U.S. Dept. of Agriculture, Office of the Secretary
Sayfa sayısı yok · 1915
Farm equipment / Economic aspects / Agriculture / Costs / Interest
W. J. Spillman · The American institute of agriculture
60 sayfa · 1922
Grain trade. [from old catalog]
W. J. Spillman · The Orange Judd Pub. Co.; [etc., etc.]
467 sayfa · 1923
Agriculture / Economic aspects / Economic aspects of Agriculture / Farm management
W. J. Spillman · Washington State Agricultural College and School of Science, Experiment Station
40 sayfa · 1896
Animal nutrition / Feeds
W. J. Spillman · Washington State Agricultural College and School of Science, Experiment Station
Sayfa sayısı yok · 1896
Analysis / Milk / Cream
W. J. Spillman · Washington State Agricultural College and School of Science, Experiment Station
27 sayfa · 1895
Milkfat / Milk / Composition
W. J. Spillman · K. Paul, French [!]
126 sayfa · 1927
Agriculture / Economic aspects / Economic aspects of Agriculture
W. J. Spillman · Washington State Agricultural College and School of Science, Experiment Station
Sayfa sayısı yok · 1898
Milkfat / Analysis / Cream
W. J. Spillman · State College of Washington, Agricultural Experiment Station
72 sayfa · 1926
Agriculture
W. J. Spillman · Washington State Agricultural College and School of Science, Experiment Station
12 sayfa · 1895
Feed utilization efficiency / Feeding and feeds / Swine / Wheat as feed / Wheat as feed.
W. J. Spillman · Washington State Agricultural College and School of Science, Experiment Station
60 sayfa · 1900
Forage plants / Grazing
W. J. Spillman · The State College of Washington, Agricultural Experiment Station
27 sayfa · 1909
Wheat / Genetics
W. J. Spillman · Washington State Agricultural College and School of Science, Experiment Station
Sayfa sayısı yok · 1901
Animal nutrition / Feeds / Weights and measures
W. J. Spillman · Washington State Agricultural College and School of Science, Experiment Station
19 sayfa · 1894
Silage / Silos