Breeding crop plants Hayes, Herbert Kendall, 1884-1972 creator Garber, Ralph John, 1890- contributor text book New York [etc.] McGraw-Hill book company, inc 1921 1921 1st ed.
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ENG Plant breeding SB123 .H3 https://www.biodiversitylibrary.org/bibliography/20172 21012288 10.5962/bhl.title.20172