[vanderleck] 



BACTERIA OF FROZEN SOILS 



probably prematurely checked by the severe frost. On the fifteen 

 inch level, where we penetrate the subsoil, this increase is not noticed 

 and could not be expected. 



In the last week of January we noticed a considerable increase 

 in moisture on all three levels, accompanied by the bacterial decrease 



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on the five and ten inch levels and an increase on the fifteen inch 

 level. From all appearances surface water here penetrated the soil, 

 increasing the moisture percentage and washing down bacteria to 

 the lower level, with an increase in bacteria at the fifteen inch level. 

 However, the weather map does not indicate any precipitation at 



