12 



BULLETIN 218, U. S. DEPARTMENT OF AGRICULTURE. 



Table V.- 



Yields and cost of production of oats by different methods at the/Judith Basin 

 Field Station, 1909 to 1914, inclusive. 





Num- 

 ber of 

 plats 

 aver- 

 aged. 



Yield per acre (bushels.) 



Treatment and previous crop. 



1909 



1910 



1911 



1912 



1913 



1914 



Aver- 

 age. 



Fall plowed: 



Wheat 



6 

 1 

 1 

 1 

 1 



164.9 

 66.2 



57.8 



120.5 

 20.9 

 19.3 



53.0 

 51.5 

 53.7 

 53.1 



45.7 



( 2 ) 

 H 

 ( 2 ) 

 ( 2 ) 

 ( 2 ) 



( 2 ) 

 ( 2 ) 

 ( 2 ) 



( 2 ) 

 ( 2 ) 

 ( 2 ) 



8 



( 2 ) 



( 2 ) 

 ( 2 ) 



( 2 ) 



62.8 

 65.0 

 64.4 

 70.6 

 33.7 



53.0 

 49.3 

 54.0 

 52.1 

 46.2 



50.8 





50.6 





49.8 





58.6 



Flax 



63.7 



19.5 



41.8 









10 



63.9 



20.2 



52.2 



61.1 



52.0 



49.9 







Spring plowed: 



Wheat 



1 

 1 

 2 



63.1 

 75.3 



72.4 



25.3 

 24.3 

 23.1 



51.5 

 52.0 



54.5 



54.5 

 64.1 

 63.1 



45.3 

 44.6 

 49.2 



47.9 





52.1 





52.5 









4 



70.8 



24.0 



53.1 



61.2 



47.1 



51.2 







Sod breaking: 



Alfalfa 



1 



2 

 1 



56.8 

 62.5 

 72.5 



14.3 

 17.8 



22.8 



33.1 



22.5 

 37.8 



30.6 

 38.6 

 50.3 



47.1 

 21.5 

 50.6 



36.4 





32.6 





46.8 









4 



63.6 



18.2 



29.0 



39.5 



35.2 



37.1 







Subsoiled: Oats 



1 

 1 

 6 



63.7 



72. 5 



3 57. 3 



25.3 



22.8 



3 24.4 



53.0 

 53.5 

 55.6 



65.0 

 63.4 

 75.1 



40.6 

 37.5 

 54.2 



49.5 





49.9 





53.3 







Green manured: 



Rye 



2 

 2 



68.7 

 71.2 



25.7 

 21.0 



56.8 

 52.0 



75.9 

 75.3 



54.3 

 46.7 



56.3 





53.2 









4 



69.9 



23.4 



54.4 



75.6 



50.5 



54.8 









3 



70.5 



23.6 



63.2 



76.2 



58.7 



58.4 











65.5 



22.2 



51.4 



64.3 



49.4 



50.6 









Summary of Yields and Digest of Cost. 





Tillage treatment. 



Previous crop. 



Yields, values, etc. 

 (average per acre). 



ft ft 



"3° 



Mt3 



n ° ft 



ftftC* 



CO 



*ft 



ft 



"3 . 



m ft 



•a . 



o 2 

 ,2ft 

 a 



02 



a ~ 



2sft 

 o 



tnCO 



cp* — 



3+3 ft 

 XJl 



03 

 ft 



o 

 m 



00 

 ^ 03 



o ft 



O 



a . 



Sft 



is 



03 * 

 rt ft 



Yields of grain: 



1909 bushels.. 



1910 do.... 



1911 do.... 



1912 do.... 



1913 do.... 



1914 do.... 



63.9 



20.2 

 52.2 



( 2 ) 



61.1 



52.0 



70.8 

 24.0 

 53.1 



( 2 ) 



61.2 



47.1 



57.3 



24.4 



55.6 



( 2 ) 



75.1 



54.2 



72.5 

 22.8 

 53.5 



( 2 ) 



63.4 



37.5 



63.7 



25.3 



53.0 



( 2 ) 



65.0 



40.6 



69.9 

 23.4 

 54.4 



( 2 ) 

 75.6 

 50.5 



70.5 

 23.6 

 63.2 



H 



76.2 



58.7 



63.6 

 18.2 

 29.0 

 ( 2 ) 

 39.5 

 35.2 



61.6 

 24.0 

 55.3 

 ( 2 ) 

 72.1 

 53.0 



65.8 

 22.0 

 52.8 

 ( 2 ) 

 63.4 

 49.3 



63.7 



19.5 



45.7 



( 2 ) 



33.7 



46.2 



Average 



49.9 



51.2 



53.3 



49.9 



49.5 



54.8 



58.4 



37.1 



53.2 



50.7 



41.8 



Crop value,cost, etc. : 



$14. 97 

 6.31 



S15.36 

 5.84 



$15. 99 

 4.50 



$14. 97 

 5.30 



$14. 85 

 6.92 



$16. 44 

 14.36 



$17. 52 

 11.25 





Cost 





















Profit 



8.66 



9.52 



11.49 



9.67 



7.93 



2.08 



6.27 















i Only 4 plats in 1909 and 1910, 



2 Destroyed by hail. 



s Only 5 plats in 1909 and 1910. 



