Category:Analyses of Agricultural Yield. Part I. The Spacing Experiment with Egyptian Cotton, 1912 (1915)

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http://rstb.royalsocietypublishing.org/content/206/325-334: Analyses of Agricultural Yield. Part I. The Spacing Experiment with Egyptian Cotton, 1912 W. Lawrence Balls, Francis S. Holton Phil. Trans. R. Soc. Lond. B 1915 206 103-180; DOI: 10.1098/rstb.1915.0003. Published 1 January 1915