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McGregor, Samuel Emmett, 1906-

Insect pollination of cultivated crop plants / by S. E. McGregor. - viii, 411 pages : ill ; 30 cm. - Agriculture handbook (United States. Dept. of Agriculture); no. 496 . - Agriculture handbook (United States. Department of Agriculture); no. 496. .

Includes bibliographies and indexes.

LCCN: 76602610

Subjects--Topical Terms:
Fertilization of plants by insects.
Plants, Cultivated.
Bee culture.
Honeybee.
Pollination.

Dewey Class. No.: 582.0166