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Illinois Corn Performance Tests, 1940
Benjamin Koehler
Carl Alfred Brandly
David Edgar Lindstrom
Eric Winters
Ernest Everett DeTurk
George Harlan Dungan
Laurence Joseph Norton
Maxwell Jay Dorsey
John William Lloyd
Henry Perly Rusk
Orville Thomas Bonnett
Robert Graham
William Leonidas Burlison
Sleeter Bull
Roscoe Raymond Snapp
Ida D. Johns
出版
University of Illinois Agricultural Experiment Station
, 1940
URL
http://books.google.com.hk/books?id=2ZJRAQAAMAAJ&hl=&source=gbs_api