Maine Agricultural Experiment Station. 1917. 



109 



Yields Per Acre in No Potash Experiment zvith Oats, ipi6. 

 Series I, on Land zvith No Potash in 1915. 



Plot No. 



Amount of 

 1916 



Potash 



Yield of Straw 

 In Pounds 



Yield 

 In 



of Grain 

 Bushels 



412 

 417 

 Average 



None + 

 None + 



2 per 

 2 per 



5 per 

 5 per 



8 p'jr 

 8 pjr 



None 

 None 



common salt 

 common salt 



cent potash 

 cent potash 



cent potash 

 cent potash 



cent potash 

 cent potash 



4590 

 3180 

 38§5 



4510 

 2980 

 3745 





71.6 

 65.6 

 68.6 



413 



418 

 Average 



71.6 

 59.4 

 65.5 



414 

 419 

 Average 



4420 

 3300 

 3860 



70.6 

 61.9 

 66.3 



415 



420 

 Average 



4420 

 2824 - 

 3622 



76.9 

 57.5 

 67.2 



410 

 421 

 Average 



3989 

 3360 

 3670 



71.9 

 66.3 

 69.1 









Yields Per Acre in No Potash Experiment zvith Oats, ipi6. 

 Series II, on Land zvith 7 per cent Potash in IQ15 



Plot No. 



Amount of Potash 

 1916 



Yield of Straw 

 In Pounds 



Yield of Grain 

 In Bushels 



422 

 427 

 Average 



None 

 None 



None + common salt 

 None + common salt 



2 per cent potash 

 2 psr cent potash 



5 per cent potash 

 5 per cent potash 



8 per cent potash 

 8 per cent potash 



3424 

 4110 

 3767 



63.8 

 74.1 

 68.9 



423 

 428 

 Average 



3930 

 3500 

 3715 



67.2 

 68.1 

 67.7 



424 

 429 

 Average 



3280 

 2160 

 2705 



68.8 

 60.0 

 64.4 



425 

 430 

 Average 



3370 

 2640 

 3005 



72.2 

 63.8 

 68.0 



426 

 431 

 Average 



3380 

 2980 

 3140 



74.4 

 61.9 

 68.1 









The average yield of grain in bushels per acre from the 

 plots on the soil with the two different treatments in 1915 are 

 as follows. 



1916 Treatmsnt 



No Potash in 1915 



7% Potash in 1915 



No Potash 

 No Potash + salt 

 2 per cent potash 

 5 per cent potash 

 8 psr cent potash 



68.6 

 65.5 

 66.3 



67.2 

 69.1 



68.1 

 67.7 

 64.4 



68.0 

 68.1 



