Presented as Hungerford's Thesis (Ph. D.)--University of Wisconsin--Madison, 1924. / Cover titles. Reprinted from Journal of agricultural research: Part 1: vol. XIX, no. 6 (15 June 1920), p. 257-278, plates 38-48 -- Part 2: vol. XXIV, no. 7 (19 May 1923), p. 607-620, plates 1-4 -- Part 3: vol. XXV, no. 9 (1 Sep. 1923), p. 363-402, plates 1-6. Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608692945 |
| Date | January 1920 |
| Creators | Hungerford, Charles William, Owens, Charles Elmer, |
| Publisher | Washington, D.C. : G.P.O., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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