76 SOILS , 



making a soil analysis, both soil and subsoil should enter 

 into consideration, for the variation between these two, 

 in chemical compounds, may compensate sometimes one 



I SUBSOIL 2 SURFACE SOIL 



CORN GROWING IN SURFACE SOIL AND SUBSOIL 

 There is practically no growth at all in the raw subsoil 



for the other. If a sand soil were analyzed, it might 

 show very meager possibilities for crop production and 

 especially this might be true if the subsoil were likewise 

 of a sand nature, and at some depth. If, on the other 



