14 



BULLETIN 218, U. S. DEPARTMENT OP AGRICULTURE. 



Table VI. — Yields and cost of production of oats by different methods at the Huntley 

 Field Station, 1913 and 1914. 



Treatment and previous crop. . 



Number 

 of plats 

 averaged. 



Yield per acre (bushels). 



1913 



1914 



Average. 



Fall plowed: 



Wheat 



4 



1 



1 



37.5 

 34.0 

 34.0 



50.4 

 48.4 

 52.3 



44.0 



Oats 



41.2 



Barley 



43.2 











6 



36.4 



50. 4 | 43. 4 







Spring plowed: 



Wheat 



1 

 1 

 2 



42.8 

 35.3 



44.4 



55. 6 

 50.6 

 60.3 



49.2 



Oats 



43.0 





52.4 









4 



41.7 



56.7 



49.2 







Sod breaking: 



Alfalfa 



1 



1 



46.9 

 51.9 



51.9 

 43.7 



49.4 





47.8 









2 



49.4 



47.8 



48.6 









1 

 1 



8 



39.3 

 45.6 



43.7 



52.8 

 48.7 

 62.2 



46.1 





47.2 





53.0 







Green manured: 



Rye i 



2 



2 



46.2 

 64.5 



63.9 

 59.7 



55.1 



Peas 



62.1 









4 



55.4 



61.8 



58.6 







Summer tilled 



3 



60.8 



57.6 



59.2 











45.6 



56. 7 



51.2 









Summary of Yields and Digest of Cost. 





Tillage treatment. 



Previous crop. 



Yields, values, etc. 

 (average per acre). 



FaU 



plowed 

 (6 



plats). 



Spring 

 plowed 



(4 

 plats). 



Disked 



(8 

 plats). 



Listed 

 (1 plat). 



Sub- 

 soiled 

 (lplat). 



Green 

 ma- 

 nured 



(4 

 plats). 



Sum- 

 mer 

 tilled 

 (3 



plats). 



Corn 



(10 



plats). 



Small 

 grain 



(10 

 plats). 



Sod (2' 

 plats). 



Yields of grain: 



1913... bushels.. 

 1914 do.... 



36.4 



50.4 



41.7 

 56.7 



43.7 

 62.2 



45.6 



48.7 



39.3 

 52.8 



55.4 

 61.8 



60.8 

 57.6 



43.8 

 61.8 



38.1 



51.0 



49.4 

 47.8 



Average 



43.4 



49.2 



53.0 



47.2 



46.1 



58.6 



59.2 



52.8 



44.6 



48.6 



Crop value, cost of 

 production, etc.: 



S13. 02 

 6.31 



S14.76 

 5.84 



$15.90 

 4.50 



S14.16 

 5.30 



S13.S3 

 6.92 



S17.5S 

 14.36 



817. 76 

 11.25 





Cost 

















Profit 



6.71 



8.92 



11.40 



8.86 



6.91 



3.22 



6.51 













1 Barley was used as green manure in 1912. 

 WILLISTON FIELD STATION. 



The experimental work at Williston, N. Dak., is conducted on a 

 silt soil that carries a considerable supply of available water and on 

 which the depth of feeding is limited only by the depth to which the 

 character of the crop limits the development of roots. 



