50 



MASS. EXPERIMENT STATION BULLETIN 232 



Effect (tf Sulfur on Crop Yields (Field B) 

 Yields per Acre 



Effect of Magnesium 



Mention lui.s already been made of the t'oni])ari,s<)n of the so-called 

 low-grade stilfate of pota.sh with other potash carriers, on Field G. In 

 addition this jiotash carrier is compared with the muriate on certain plots 

 of Field A. The followin.c: table summarizes results: — 



Comparison of Muriate of I'ota.sh with Sulfate of I'otashMagnesia 

 Averarfc Yields per Acre 



