Communal collections box 18
Contains 10 Results:
Rate of Humification of Manures, by R. H. Carr, Proceedings of the Indiana Academy of Science, pp. 317-322, 1915
This collection consists of four folders that contain articles written by R. H. Carr, and a letter from William M. Hepburn, Librarian, dated January 31, 1928.
Rate of Humification of Green Manure, by R. H. Carr, Proceedings of the Indiana Academy of Science, pp. 398-402, 1916
This collection consists of four folders that contain articles written by R. H. Carr, and a letter from William M. Hepburn, Librarian, dated January 31, 1928.
The Efficiency of Certain Milk Substitutes in Calf Feeding, by R. H. Carr, George Spitzer, R. E. Caldwell and O. H. Anderson (From the Laboratory Of The Purdue Experiment Station, La Fayette, Ind), Reprinted from The Journal of Biological Chemistry, vol. XXVIII, no. 2, pp. 501-509, January 1917
This collection consists of four folders that contain articles written by R. H. Carr, and a letter from William M. Hepburn, Librarian, dated January 31, 1928.
The Relation of Nitrogen, Phosphorus and Organic Matter to Corn Yield in Elkhart County, Indiana, by R. H. Carr and Leroy Hoffman, Purdue University, Proceedings of the Indiana Academy of Science, pp. 160-166, undated
This collection consists of four folders that contain articles written by R. H. Carr, and a letter from William M. Hepburn, Librarian, dated January 31, 1928.
Production of Acid Phosphate From Creamery Waste Sulphuric Acid, by R. H. Carr, Reprinted from Journal of Dairy Science, vol. 1, no. 6, pp. 508-511, March 1918
This collection consists of four folders that contain articles written by R. H. Carr, and a letter from William M. Hepburn, Librarian, dated January 31, 1928.
Analyses of One Hundred Soils In Allen County, Indiana, by R. H. Carr and . R. Phares, Purdue University, Proceedings of the Indiana Academy of Science, pp. 151-160, 1918
This collection consists of four folders that contain articles written by R. H. Carr, and a letter from William M. Hepburn, Librarian, dated January 31, 1928.
Soft Corn - Its Chemical Composition and Nitrogen Distribution, by George Spitzer, R. H. Carr and W. F. Epple, Reprinted from The Journal of the American Chemical Society, vol. XLI, no. 8, pp. 1212-1221, August 1919
This collection consists of four folders that contain articles written by R. H. Carr, and a letter from William M. Hepburn, Librarian, dated January 31, 1928.
Vegetative Growth in Soils Containing Crude Petroleum, by R. H. Carr, Reprinted from Soil Science, vol. VIII, no. 1, pp. 67-68, July 1919
This collection consists of four folders that contain articles written by R. H. Carr, and a letter from William M. Hepburn, Librarian, dated January 31, 1928.
Fertility of Soils of Hancock County, Indiana, by R. H. Carr, H. S. Copeland and E. Gentzler, Purdue University, Proceedings of the Indiana Academy of Science, pp. 99-106, 1919
This collection consists of four folders that contain articles written by R. H. Carr, and a letter from William M. Hepburn, Librarian, dated January 31, 1928.
Letter addressed to Dr. R. H. Carr from Wm. M. Hepburn, Librarian, January 31, 1928
(Lists titles of various pamphlets published by Dr. Carr, which were in the Purdue collection at the time.)