432 SOILS: PROPERTIES AND MANAGEMENT 



NUMBER OF BACTERIA TO A GRAM OF SOIL DURING SOME 

 PERIOD OF THE GROWING SEASON 



1 Chester, F. D. The Bacteriological Analysis of Soils. 

 Delaware Agr. Exp. Sta., Bui. 65. 1904. 



2 Mayo, U. S., and Kinsley, A. F. Bacteria of the Soil. 

 Kansas Agr. Exp. Sta., Bui. 117. 1903. 



3 Brown, P. E. Some Bacterial Effects of Liming. Iowa 

 Agr. Exp. Sta., Research Bui. 2. 1911. 



