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Cooperative Studies on the Effects of Height of Ridge
Alfred Leroy Baker
Benton Mehrling Stahl
Charles William Loomer
Claude Kedzie Shedd
Donald Eisenbrey Church
Edward Pendleton Carter
Elsa Orent-Keiles
Fenner Satterthwaite Stickney
Frank Custer Edminster
Harry Curtis Young
Hazel Marie Fletcher
Herbert Halden Walkden
James Robert Dawson
Joseph Bailey Edmond
Leo E. Holman
M. A. Yothers
Marshall Tracy Deonier
Matthew Drosdoff
Myron Francis Babb
Ralph Dickieson Jennings
Ralph Leroy Parshall
Robert Douglass McCulley
Roy Wesley Nixon
W. P. Baird
Tom Part Cassidy
Arnold M. Hansen
David Victor Kopland
Dwight Fletcher Barnes
Frank Waldemar Carlson
George Yankush Young
James E. Kraus
Maurice E. Dahmus
United States. Department of Agriculture
Vernon Webster Johnson
Walter S. Atkinson
William Henry Black
Arthur Clifton McIntyre
Mary Ellen Duensing
Perez Simmons
Roy Magruder
其他書名
Nitrogen Supply, and Time of Harvest on Yield and Flesh Color of the Porto Rico Sweetpotato
出版
U.S. Department of Agriculture
, 1950
URL
http://books.google.com.hk/books?id=nul22vY-GfQC&hl=&source=gbs_api
EBook
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