24 



University of New Hampshire [Sta. V>u\\. 





TABLE XXIII. Whenal farm scab counts, 1935-1936. 



3 plots average for each group; 7 no treatment plots. Same land in potatoes 1935 and 1936. 

 Field laid out in plots, in three strijis of 8 plots each. One strip limed 4 tons per acre in 1925, 

 1 strip limed 2 tons per acre in 1925, and the other limed 2 tons per acre in 1931. Each acidu- 

 lating treatment crosses these 3 strips, 1 plot wide. 



TABLE XXIV. Jackson farm potato scab counts, 1936. 



TABLE XXV. Jackson farm potato scab counts, 1936. 



\i iilulated with 



900 lbs. AU.(SO.')., 

 300 lbs. AU.(S04).-, 

 Nothing 



TABLE XXVI. Jackson farm potato scab counts, 1937 



Treatmeiu 



pU 



Bad Medium Slight None 



Aridnlnted with 



I^L equals 4 T limestone applied 8 years previously. 



L cfiuals 2 T limestone applied 8 years ])rcviously. 



1000 L equals '/i T limestone applied 2 years previously. 



500 L equals '4 T limestone applied 2 years previously. 



Slag— slag used instc.ul of superphosphate in making a 4-8-7 fertilizer. 



4-8-0 — fertilizer without potash. 



