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 ... moves in the soil by capillary attraction, pe

Originally published [c1907]: Access to the digital version of this title and other related titles can be found on CHLA (Core Historic Literature of Agriculture) at http://chla.library.cornell.edu, an electronic collection of core historical materials on US agriculture and rural life published from the mid-19th to the mid-20th century. A full list of Cornell University Library's digital collections can be found at http://www.library.cornell.edu.