ABSORPTION OF SALTS BY SOILS. 



129 



Amounts of potash absorbed by soil, recovered ivith salt solutions. 



From this table it will be seen that when 250 c. c. of the vari- 

 ous salt solutions named are used in digesting 100 grams of a soil 

 which had previously absorbed 2040 parts per million of pot- 

 ash (K 2 O) these salt solutions redissolved from 393.2 to 589.6 

 9 



