Manley Champlin

Manley Champlin · U.S. Dept. of Agriculture

37 sayfa · 1914

Wheat / Field experiments / Oats / Barley

Manley Champlin · Public opinion pub. co.]

19 sayfa · 1917

Agriculture / Accounting. [from old catalog]

Manley Champlin · J.W. Reid

Sayfa sayısı yok · 1997

Wheat / Durum wheat

Manley Champlin, George Winright · Agricultural Experiment Station, South Dakota State College of Agriculture and Mechanic Arts

853 sayfa · 1918

Root crops

A. N. Hume, Manley Champlin · Agricultural Experiment Station, South Dakota State College of Agriculture and Mechanic Arts

383 sayfa · 1916

Alfalfa / Varieties

Manley Champlin, G. L. Winright · Agricultural Experiment Station, South Dakota State College of Agriculture and Mechanic Arts

645 sayfa · 1917

Sorghum

A. N. Hume, Manley Champlin, Matthew Fowlds · Agricultural Experiment Station, South Dakota State College of Agriculture and Mechanic Arts

159 sayfa · 1919

Wheat / Breeding

A. N. Hume, Manley Champlin, John H. Martin · Agricultural Experiment Station, South Dakota State College of Agriculture and Mechanic Arts

493 sayfa · 1916

Flax