198 



EXPERIMENT STATION. 



[Jan. 



valley soils, and are not well adapted to the growth of green- 

 house crops. The Oxford soil is from a river valley, and is 

 suitable for truck farming. Soil No. 96 is from the Berk- 

 shire hills, and No. 56 from a Worcester county town, with 

 an elevation of approximately 1,000 feet. 



The analysis of earthworm castings is similar to that of 

 the soil in which the earthworms live, with the exception of 

 a small amount of organic matter. 



