OATS IN THE GREAT PLAIN'S AREA. 



37 



Table XVIII. — Yields and cost of production of oats by different methods at the Ama- 

 rillo Field Station, 1909 to 1914, inclusive. 



Treatment and previous 



Number 

 of plats 

 averaged. 



Yield per acre (bushels). 



crop. 



1909 



1910 



1911 



1912 



1913 



1914 



Average. 



Fall plowed: 



Wheat 



3 

 1 

 1 



26.7 

 32.2 

 31.3 



14.3 

 

 



26.4 

 27.5 

 35.6 



9.7 

 14.1 

 9.1 



6.8 

 2.5 

 7.2 



19.0 

 30.9 

 26.9 



17.2 





17.9 





18.4 









5 



28.7 



8.6 



28.5 



10.5 



6.0 



23.0 



17.6 







Spring plowed: 



Wheat 



1 

 1 

 2 



23.4 

 20.0 

 21.9 





 

 



35.7 

 28.2 

 36.0 



9.7 

 9.7 

 17.2 



3.1 







1.4 



7.5 

 29.4 

 21.1 



13.2 





14.6 





16.3 









4 



21.8 





34.0 



13.5 



1.5 



19.8 



15.1 









1 

 1 



28.1 

 29.7 





 



19.2 

 26.8 



8.8 

 11.6 



4.1 



6.9 



30. 6 

 26.9 



15.1 





17.0 







Disked: 



6 

 2 

 2 



22.7 

 19.3 

 16.5 





 

 



28.7 

 25.9 

 26.7 



14.3 

 11.9 



8.2 



3.4 

 1.9 

 1.8 



33.4 

 28.8 

 26.8 



17.1 



Milo 



14.6 





13.3 









10 



20.8 





27.7 



12.6 



2.8 



31.1 



15.8 







Green manure: 



1 



1 



31.9 

 27.5 



5.0 



8.4 



18.0 

 25.9 



13.8 

 15.0 



5.6 



6.5 



22.2 

 26.9 



16.1 





18.4 









2 



29.7 



6.7 



22.0 



14.4 



6.1 



24.6 



17.3 









2 



32.5 



24.4 



36.2 



17.7 



17.4 



37.1 



27.6 











24.8 



4.2 



28.7 



12.7 



4.9 



27.4 



17.1 









Summary of Yields and Digest of Cost. 





Tillage treatment. 



Previous crop. 



Yields, values, 

 etc. (average 

 per acre). 



Fall 



plowed 



(5 

 plats). 



Spring 

 plowed 



(4 

 plats). 



Disked 

 (10 



plats). 



Listed 



(1 

 plat). 



Sub- 

 soiled 



(1 

 plat). 



Green 

 ma- 

 nured 



(2 

 plats). 



Sum- 

 mer 

 tilled 



(2 

 plats). 



Corn 



(8 

 plats). 



Small 

 grain 



(9 



plats). 



Milo 



(2 

 plats). 



Kafir 



(2 

 plats). 



Yields of grain: 

 1908 .bush.. 

 1909... do... 

 1911... do... 

 1912... do... 

 1913... do... 

 1914... do... 



28.7 

 8.6 



28.5 



10.5 

 6.0 



23.0 



21.8 





 34.0 

 13.5 



1.5 

 19.8 



20.8 







27.7 

 12.6 



2.8 

 31.1 



29.7 





 26.8 

 11.6 



6.9 

 26.9 



28.1 

 



19.2 

 8.8 

 4.1 



30.6 



29.7 

 6.7 



22.0 



14.4 

 6.1 



24.6 



32.5 

 24.4 

 36.2 

 17.7 

 17.4 

 37.1 



22.5 





 30.5 

 15.0 



2.9 

 30.3 



27.2 

 4.8 



28.0 



10.2 

 4.9 



23.2 



19.3 







25.9 

 11.9 



1.9 

 28.8 



16.5 

 



26.7 

 8.2 

 1.8 



26.8 



Average . . 



17.6 



15.1 



15.8 



17.0 



15.1 



17.3 



27.6 



16.9 



16.4 



14.6 



13.3 



Crop value, cost 

 ofproduction, 

 etc.: 



$5.28 

 6.31 



$4.53 

 5.84 



$4.74 

 4.50 



$5.10 

 5.30 



$4.53 

 6.92 



$5.19 

 14.36 



$8.28 

 11.25 





Cost... 





















Profit or 



-1.03 



-1.31 



.24 



- .20 



-2.39 



-9.17 



-2.97 















