12 



MASS. EXPERIMENT STATION BULLETIN 444 



Figure 3. Peach Trees Grown in 1930 on Soil from the Unlimed Phosphorus-Potash Plot. 



A. No treatment. 



B. 34 grams Calcium Carbonate. 



C. 34 grams Calcium Carbona'e, 5 grams Magnesium Sulfate 



D. 34 grams Calcium Carbonate. 



5 grams Magnesium Sulfate 

 7 grams Muriate of Potash 



