Avery G S Hormones and horticulture: The use of special chemicals in the control of plant growth Avery G S; Johnson E B - 1st - New York McGraw-Hill 1947 - xi,326p. cm. - McGraw-Hill publications in the botanical sciences . Includes references Standard No.: 52599 Source: Textual Subjects--Topical Terms: HormonesAgriculture Dewey Class. No.: J:E:986, H7