أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

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النتائج 1 - 4 من 4

The common honey bee as an agent in prune pollination

1916

Hendrickson, A. H. (Arthur Howard)

National Agricultural Library - United States of America

USDA Bureau of Soils educational sample kit, 1916 | United States Department of Agriculture soil samples collection النص الكامل

1916

National Agricultural Library - United States of America

Franklin Arthur Coffman collection, 1914-1916 النص الكامل

1914-1916

Coffman, Franklin A. (Franklin Arthur)

National Agricultural Library - United States of America

Philip Vincent Cardon papers, 1916-1961 النص الكامل

1916-1961

Cardon, P. V. (Philip Vincent)

National Agricultural Library - United States of America