Yazar
R T Cotton
18 cilt bulundu.
R. T. Cotton · U.S. Dept. of Agriculture
81 sayfa · 1937
Catalogs and collections / Grain / Food storage pests / Parasitic insects / Storage
R. T. Cotton · U.S. Dept. of Agriculture
75 sayfa · 1945
Control / Grain / Diseases and injuries / Flour mills / Fumigation
R. T. Cotton · Bureau of Entomology and Plant Quarantine, Agricultural Research Administration, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1950
Popcorn / Fumigation / Storage / Diseases and injuries
R. T. Cotton · Bureau of Entomology and Plant Quarantine, Agricultural Research Administration, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1948
Control / Corn / Storage / Diseases and pests
Nance Davidson, · Prentice Hall
R. T. Cotton · U.S. Dept. of Agriculture, Agricultural Marketing Service, Marketing Research Division
28 sayfa · 1958
Control / Fumigation / Flour mills / Food storage pests
R. T. Cotton · Burgess Publishing Company
242 sayfa · 1941
Diseases and pests / Fumigation / Grain / Injurious and beneficial Insects / Insects, Injurious and beneficial
E. A. Back, R. T. Cotton · U.S. Dept. of Agriculture
30 sayfa · 1926
Grain / Storage / Diseases and injuries
George P. Bodnar, John Herron Cox, Harold E. Earp, W. M. Hurst, R. C. Miller, E. A. Back, R. T. Cotton, H. D. Young, Dorothy Nickerson, Willis B. Combs, W. P. Carroll, , · Yayınevi bilinmiyor
· Yayınevi bilinmiyor









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