Yazar
f d heald
27 cilt bulundu.
F. D. Heald · W. S. Ray, state printer
16 sayfa · 1914
Chestnut / Diseases (and pests). [from old catalog] / Oak / Diseases and pests. [from old catalog]
F. D. Heald · State College of Washington, Agricultural Experiment Station
48 sayfa · 1931
Storage / Apples / Diseases and injuries
F. D. Heald · State College of Washington, Agricultural Experiment Station
22 sayfa · 1922
Diseases and pests / Wheat / Bunt (Disease of wheat) / Smut diseases / Control
F. D. Heald · State College of Washington, Agricultural Experiment Station
30 sayfa · 1930
Control / Smut diseases / Wheat / Bunt (Disease of wheat) / Diseases and pests
F. D. Heald · State College of Washington, Agricultural Experiment Station
Sayfa sayısı yok · 1939
Storage / Apples / Diseases and injuries
F. D. Heald · Washington Agricultural Experiment Station
14 sayfa · 1918
Cereal smut diseases / Wheat / Diseases and pests
F. D. Heald · State College of Washington, Agricultural Experiment Station
23 sayfa · 1918
Smut diseases / Wheat / Bunt (Disease of wheat) / Diseases and pests
F. D. Heald · State College of Washington, Agricultural Experiment Station
100 sayfa · 1928
Pear / Apples / Residues
F. D. Heald · State College of Washington, Agricultural Experiment Station
56 sayfa · 1927
Apples / Residues
F. D. Heald · State college of Washington
Sayfa sayısı yok · 1915
Bacillus (Insects) / Trees / Diseases and pests
D. F. Bratchell, Morrell Heald · Elsevier Science & Technology Books
Sayfa sayısı yok · 2014
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