At the present time the world is in the midst of the greatest conflict ever staged. The byword on the lips of every thoughtful American is, "Food will win the war." In order that food may be conserved it must first be produced. Therefore, increased crop production must be stimulated. We must produce larger crops upon a given area, that is, intensive farming should be practiced.
Proceedings of the Iowa Academy of Science
©1918 Iowa Academy of Science, Inc.
Bancroft, Ross L. and Firkins, B. J.
"A Study of Certain Green Manure Crops in Making Rock Phosphate Available in Soils,"
Proceedings of the Iowa Academy of Science, 25(1), 477-478.
Available at: https://scholarworks.uni.edu/pias/vol25/iss1/41