Online Books by
Hardy Webster Campbell
(Campbell, Hardy Webster, 1850-)
Books from the extended shelves:
Campbell, Hardy Webster, 1850-: Campbell's 1905 soil culture manual; explains how the rain waters are stored and conserved in the soil (Nebr., H. W. Campbell, 1905) (page images at HathiTrust)
Campbell, Hardy Webster, 1850-: Campbell's 1907 soil culture manual; a complete guide to scientific agriculture as adapted to the semi-arid regions. (The Campbell soil culture co. (inc.), 1909) (page images at HathiTrust)
Campbell, Hardy Webster, 1850-: Campbell's Anleitung zur zeckmässigsten Bodenbearbeitung als Grundlage für alle Fruchtbarkeit. (P. Parey, 1908), also by Ferdinand Franz Matenaers (page images at HathiTrust; US access only)
Campbell, Hardy Webster, 1850-: Progressive agricutlure, 1916, tillage, not weather, controls yield (Woodruff bank note co., 1916) (page images at HathiTrust)
Campbell, Hardy Webster, 1850-: Soil culture primer; a plain and practical discussion of the relation of plants to the soil and the principles of growth; the laws governing the movement of water in the soil and its evaporation from the surface (Campbell soil culture pub. co., 1914), also by Richard A. Haste (page images at HathiTrust)
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