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|Additional Physical Format:||Online version:
Weitz, Bernard Otis, 1897-
Trend toward a more effective use of the land as shown by the yield per acre of certain crops.
Washington, D.C. : U.S. Dept. of Agriculture, 1926
|Material Type:||Government publication, National government publication|
|All Authors / Contributors:||
Bernard O Weitz; United States. Department of Agriculture.
|Description:||32 pages : illustrations, charts ; 23 cm.|
|Contents:||Introduction. pp. 1. Purpose and scope of study. pp. 3. Sources and character of the data used. pp. 4. Trend in crop yields in the United States as a whole. pp. 5. Increase in volume of production resulting from rising level of acre-yields. pp. 8. Trend of crop yields in European and other foreign countries. pp. 10. Regional changes in productivity per acre in the United States as indicated by crop yield statistics. pp. 16. Relation of rising acre-yields to expansion of production in selected regions in the United States. pp. 21. Increased production resulting from rise in acre-yield level in these selected regions. pp. 23. Summary and conclusions. pp. 25. Appendix. pp. 27. Literature cited. pp. 32.|
|Series Title:||Department bulletin (United States. Department of Agriculture), no. 1458.|
|Responsibility:||by Bernard O. Weitz.|