Date of Award
Of all the problems before the United states to day one of the most important is conservation. There are four great natural resources, the sea, the mine, forests and soil; and of these four by far the moat necessary for the maintenance of human life is the soil. Today we are Just waking up to the necessity for the conservation of these great natural resources and now for the first time are feeling the pressure due to the neglect of the fertility of the land.
Digital Repository @ Iowa State University, http://lib.dr.iastate.edu
Henry A. Wallace
June 1, 2013
Wallace, Henry A., "Relation between live stock farming and the fertility of the land" (1910). Retrospective Theses and Dissertations. 98.