148 SOILS: PROPERTIES AND MANAGEMENT 



THE HUMUS OF A RUSSIAN ALLUVIAL SOIL 



Other depth relationships, especially regarding the 

 proportions of carbon, humus, and nitrogen, are brought 

 out in the following data, obtained by Alway and Vail l 

 in the study of Nebraska Soils : 



COMPOSITION OF A NANCE COUNTY, NEBRASKA, SOIL NEAR 



GENOA 



1 Alway, F. J., and Vail, C. E. The Relative Amounts 

 of Nitrogen, Carbon, and Humus in Some Nebraska Soils. 

 Nebraska Agr. Exp. Sta., 25th Ann. Kept., p. 155. 1912. 



