75 



JODIDI, S. L. 



1914. liber den gegenwiirtigen Stand der Bodenchemie mit besonderei 

 Beriicksichtigung der organischen Verbindnngen. Landw. Vers 

 Stat., Bd. 85, pp. 359-391. 

 JONES, WALTER. 



1914. Nucleic acids, their chemical properties and physiological conduct. 



118 p. Longmans, Green and Company, New York. 

 KELLEY, W. P. 



1914. The organic nitrogen of Hawaiian soils. I. The products of acid 



hydrolysis. /. Am. Chem. Soc., v. 36, pp. 429-434. 

 KELLEY, W. P., and THOMPSON, ALICE R. 



1914. The organic nitrogen of Hawaiian soils. Hawaii Agr. Exp. Sta , 



Bull. 33, 22 p. 

 KOSSEL, A. 



1886. Weitere Beitrage zur Chemie des Zellkerns. Z. physiol. Chem., Bd. 



10, pp. 248-264. 

 KOSSEL, A., and STEUDEL, H. 



1903. Weitere Untersuchungen iiber das Cytosin. Z. physiol. Chem., Bd. 



38, pp. 49-59. 

 LADD, E. F. 



1898. Humates and soil fertility. /. Am. Chem. Soc., v. 20, pp. 861-867. 

 LATHROP, E. C. 



1912. Guanine from a heated soil. /. Am. Chem. Soc., v. 34,- pp. 1260-1263. 

 LATHROP, E. C. 



1914. The nitrogen of processed fertilizers. U. S. Dept. Agr., Bull. 158, 



24 p. 

 LATHROP, E. C. 



1916. Protein decomposition in soils. Soil Science, v. 1, pp. 509-532. 

 LATHROP, E. C., and BROWN, B. E. 



1911. Studies in organic soil nitrogen. /. Ind. Eng. Chem., v. 3. pp. 657- 



660. 

 LAWES, J. B., and GILBERT, J. H. 



1851. On agricultural chemistry, especially in relation to the mineral theory 



of Baron Liebig. /. Roy. Agr. Soc., v. 12, pp. 1-40. 

 LIEBIG, JUSTUS VON. 



1840. Die Organische Chemie in ihrer Anwendung auf Agricultur und 

 Physiologic. Braunschweig. 8 vo. 



LlLlENFELD, LEON. 



1892. Hacmatologische Untersuchungen. Arch. Anat. Physiol., Bd. 7, pp. 



115-154. 

 LOEW, O., and Aso, K. 



1906-08. On changes of availability of nitrogen in soils. I. Bull. Coll. Agr. 



Tokyo, v. 7, pp. 443-448. 

 LOGES, G. 



1886. Ueber Stickstoffhaltige organische Verbindungen im der Ackererde. 



Landw. Vers. Stot.. Bd. 32, pp. 201-202. 

 MANGUM, A. W., and SCHROEDER, F. C. 



1906. Soil survey of the Crookston Area, Minnesota. U. S. Dept. Agr., 



Bur. of Soils, Field Operations, 1906, pp. 865-891, 1 fig., 1 map. 

 MATHEWS, ALBERT P. 



1915. Physiological Chemistry. 1040 p. William Wood and Company, 



New York. 

 MULDER, GERRIT JAN. 



1849. The Chemistry of Vegetable and Animal Physiology. Translated 

 from the Dutch by P. F. H. Fromberg with an introduction and 

 notes by James F. W. Johnson, Edinburgh, 1845-1849. 

 MULDER, GERRIT JAN. 



1862. Die Chemie der Ackerkrume, Bd. II., p. 256. Nach der hollandischen 

 Original-Ausgabe deutsch bearbeitet und mit Erlauternngen ver- 

 sehen von Johannes Miiller in Berlin. Berlin, 1861-1863, 3 vol. 

 * 8 vo. 

 OSBORNE, T. B., and HARRIS, L. F. 



1903. Nitrogen and protein bodies. /. Am. Chem. Soc., v. 25, pp. 323-353. 



