1. Campbell's 1907 soil culture manual: a complete guide to scientific agriculture as adapted to the semi-arid regions : the proper fitting of the soil for the conservation and control of moisture and the development of soil fertility ; how moisture moves in the soil by capillary attraction, percolation and evaporation ; the relation of water and air to plant growth, and how this may be regulated by cultivation Creator: Campbell, Hardy Webster, 1850- Collection: Core Historical Literature of Agriculture Publisher: H. W. Campbell, Publication Place: Lincoln, Neb. : Date: 1907 Format: Book
