OATS I1ST THE GREAT PLAINS AREA. 



17 



has been by summer tillage. This is closely approached by rye as 

 green manure with an average of 49 bushels and disked corn ground 

 with an average of 47.5 bushels. 



Table VIII. — Yields and cost of production of oats by different methods at the Dickinson 

 Field Station, 1908 to 1914, inclusive. 



Treatment and previous 

 crop. 



Number 

 of plats 

 averaged. 



Yield per acre (bushels). 



1908 



1909 



1910 



1911 



1912 



1913 



1914 



Aver- 

 age. 



Fall plowed: 



Wheat 



3 



1 

 1 

 1 



6 



4 

 1 

 2 



7 



1 

 1 

 1 



3 



5 



1 

 1 

 1 



3 



3 



37.9 

 32.8 

 44.7 

 30.0 



63.6 



58.4 

 61.9 

 61.9 



32.0 



26.0 

 27.8 

 26.8 



2.0 

 1.6 



1.4 

 2.2 



P) 

 P) 

 ( l ) 

 P) 



P) 



P) 



P) 



P) 

 P) 



P) 



p) 

 w 



P) 

 P) 



P) 



60.2 

 44.4 

 61.0 

 62.2 



17.9 

 14.4 

 19.5 



19.2 



35.6 





29.6 





36.1 



Flax 



33.7 







Total or average 



36.9 



62.2 



29.4 



1.9 



58.1 



17.8 



34.4 



Spring plowed: 



51.0 

 48.4 

 55.8 



65.4 



55.9 

 70.8 



27.9 

 32.0 

 36.7 



3.1 



6.6 

 6.0 



51.8 

 33.0 



47.7 



22.6 

 15.3 

 18.9 



37.0 





31.9 





39.3 







Total or average 



52.0 



65.6 



31.0 



4.4 



48.0 



20.5 



36.9 



Sod breaking: 



Alfalfa 



65.6 

 61.6 



54.7 



75.3 

 65.0 

 63.8 



33.7 

 44.6 

 29.0 



1.1 



2.8 

 2.7 



45.3 

 51.9 

 55.0 



22.8 



27.2 

 22.0 



40.6 





42.2 





37.9 







Total or average 



60.6 



68.0 



35.8 



2.2 



50.7 



24.0 



40.2 





65.0 



75.6 



40.7 



12.8 



64.2 



26.7 



47.5 







Green manure: 



Rye 



59.7 

 49.4 

 65.3 



65.3 

 70.3 



69.7 



46.3 

 34.2 

 28.0 



22.6 

 6.4 

 8.6 



59.4 

 55.0 

 57.8 



40.5 

 33.1 



21.2 



49.0 





41.4 





41.8 







Total or average . 



58.1 



68.4 



36.2 



12.5 



57.4 



31.6 



44.0 





57.7 



70.1 



47.2 



29.8 



57.1 



37.4 



49.9 









53.3 



67.8 



35.4 



8.9 



55.6 



24.5 



40.9 









SUMMAEY OF YIELDS AND DIGEST OF COST. 





(average 



Tillage treatment. 



Sod (3 

 plats). 



Previous crop. 



Yields, values, etc. 

 per acre) 



Fall 

 plowed 



Spring 

 plowed 



Disked 



(5 

 plats). 



Green 

 ma- 



Sum- 

 mer 



Corn 



(7 

 plats). 



Small 

 grain 



Flax (1 







(6 



(7 



nured (3 



tilled (3 





(10 



plat). 







plats). 



plats). 



plats). 



plats). 





plats). 





Yields of grain: 























1908 



.bushels.. 



36.9 



52.0 



65.0 



58.1 



57.7 



60.6 



62.4 



44.4 



30.0 



1909 



....do.... 



62.2 



65.6 



75.6 



68.4 



70.1 



68.0 



74.2 



62.9 



61.9 



1910 



....do.... 



29.4 



31.0 



40.7 



36.2 



47.2 



35.8 



39.6 



29.3 



26.8 



1911 



....do.... 



1.9 



4.4 



12.8 



12.5 



29.8 



2.2 



10.8 



2.8 



2.2 



1912 



....do.... 



P) 



C 1 ) 



P) 



P) 



P) 



P) 



P) 



P) 



P) 



1913 



....do.... 



58.1 



48.0 



64.2 



57.4 



57.1 



50.7 



59.5 



52.6 



62.2 



1914 



do.... 



17.8 



20.5 



26.7 



31.6 



37.4 



24.8 



24.5 



19.3 



19.2 





34.4 



36.9 



47.5 



44.0 



49.9 



40.2 



45.2 



35.2 



33.7 





to.: 





Crop value, cost, e 



















310.32 

 6.31 



$11.07 

 5.84 



S14.25 

 4.50 



S13.20 

 14.36 



$14. 97 

 11.25 











Cost 

























4.01 



5.23 



-9.75 



-1.16 



3.72 















Destroyed by hail. 



