LIMING THE SOIL 



383 



Table LXXXVII 



relative rotation values of crop increases due to liming 



and fertilizing a standard rotation over a tv^telve- 



year period. ohio experiment station the acid 



phosphate treatment is taken as 100 for 



the lime gain and also for the 



unlimed fertilizer gain. 



Fertilizers to the Dotation 



Acid phosphate 



Acid phosphate plus potassium 



chloride 



Acid phosphate, potassium 



chloride and sodium nitrate . 

 Manure, 16 tons 



Gain prom Fer- 



TILIjuERS 



soil amendment. These figures serve m a definite way to em- 

 phasize the correlation between liming and the other factors 

 that must be considered in soil improvement and fertility 

 maintenance. 



