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
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
Digitization funded by NEH digital to microfilm conversion project. Title selected from the series Literature of the agricultural sciences for the Core historical literature of agriculture, Soil science.
