Abstract
Previous articleNext article No AccessReviewsYearbook of Agriculture, 1936, 1937.Conway ZirkleConway Zirkle Search for more articles by this author PDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmail SectionsMoreDetailsFiguresReferencesCited by Isis Volume 29, Number 1Jul., 1938 Publication of the History of Science Society Article DOIhttps://doi.org/10.1086/347428 PDF download Crossref reports no articles citing this article.
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