. Dry-farming;. Dry farming. [from old catalog]. 424 APPENDIX A Tri-Local Experiments on the Influence of Envi- ronment on the Composition of Wheat. J. A. LeClerc and S. Leavitt. Bulletin 128, Bureau of Chemistry. U. S. Department of Agriculture. Fruit Growing for Home Use in the Central and Southern Great Plains. H. P. Gould. Circular No. 51, Bureau of Plant Industry, U. S. Department of Agriculture. S Traction Plowing. L. W. Ellis, Bulletin No. 170, Bureau of Plant Industry, U. S. Department of n Agriculture. Seasonal Nitrification as Influenced by Crops and Tillage. C. A. Jensen. Bulletin N
. Dry-farming;. Dry farming. [from old catalog]. 424 APPENDIX A Tri-Local Experiments on the Influence of Envi- ronment on the Composition of Wheat. J. A. LeClerc and S. Leavitt. Bulletin 128, Bureau of Chemistry. U. S. Department of Agriculture. Fruit Growing for Home Use in the Central and Southern Great Plains. H. P. Gould. Circular No. 51, Bureau of Plant Industry, U. S. Department of Agriculture. S Traction Plowing. L. W. Ellis, Bulletin No. 170, Bureau of Plant Industry, U. S. Department of n Agriculture. Seasonal Nitrification as Influenced by Crops and Tillage. C. A. Jensen. Bulletin No. 173, Bureau of Plant Industry, U. S. Department of Agriculture. Cooperative Grain Investigations. Nephi Sub- station. Nephi, Utah. Report of the Years 1907 and 1908 and 1909. F. D. Farrell. The Nitrogen and Carbon in the Virgin and lowed Soils of Eastern Oregon. C. E. Bradl^. The Journal of Industrial and ^Engineering Chemise- try, April, 1910, page 138. \ Storing Moisture in the Soil. ^. Burr. Bul- letin No. 114, Nebraska Experiment Sx^ Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Widtsoe, John Andreas, 1872-1952. New York, The Macmillan company
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