944 resultados para Agricultural research


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Supersedes U.S. Agricultural Research Service. Facts about screwworm eradication, issued as ARS 91-39.

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Chiefly tables.

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Reprinted from Journal of Agricultural research, vol. 38, no. 1.

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Accompanied by "Supplement 1- " (v. 24 cm.) Published: Washington, U.S. Govt. Print. Off., 1953-

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In 1947, section titles changed to A, Agricultural research section, and, B, General research section.

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Previous ed. issued in Sept. 1952 by U. S. Bureau of Animal Industry under title: Manual of inspection procedure of the Meat Inspection Service of the United States Department of Agriculture.