EXPERIMENT STATION BULLETINS. 



607 



this study, but in Table 4 the results of only a sandy loam, humus loam, 

 silt loam, and clay are presented, which suffice to illustrate the general 

 principle. These results are graphically jllustrated by Figure 2. 



Fig. 2. Curves showing the iocrease in the lowering of the freezing point of soil with the decrease 



in moisture content. 



