Fisher, Ronald Aylmer, Sir, 1890-1962Mackenzie, W. A.2006-11-162006-11-161923Journal of Agricultural Science, 13: 311-320 (1923)http://hdl.handle.net/2440/15179Reproduced with permission of Cambridge University Press1014774 bytesapplication/pdfen032: Studies in Crop Variation. II. The manurial response of different potato varieties.Journal article