12 



BULLETIN 307, U. S. DEPARTMENT OF AGRICULTURE. 



Table III.- 



Yield of corn varieties grown at Newell, S. Dak., on dry land and under 

 irrigation, by plats, for the years stated — Contimied. 



Under Ieeigation in 1913. 



Variety. 



Plat 



Yield of 



Plat 



Yield of 



No. 



ears. 



No. 



ears. 





Pounds. 





Pounds. 



1 



76.5 



10 



84.0 



2 



87.5 



11 



85.7 



3 



82.7 



12 



84.5 



4 



85.0 



13 



102.5 



5 



79.5 



14 



95.2 



6 



64.5 



15 



74.2 



7 



104.0 



16 



93.2 



8 



57.7 



17 



60.7 



9 



101.5 



IS 



79.0 



Total 

 yield. 



Ardmore Yellow , 



Northwestern Dent . . . 

 Brown County Yellow 



U. S. Selection 133 



Ninety-Day Disco 



Amber Flint 



Martens White Dent . . 



Minnesota 23 



Payne White Dent... 



Pounds. 

 160.5 

 173.2 

 167.2 

 187.5 

 174.5 

 138.7 

 197.2 

 118.4 

 180.5 



Under Irrigation in 1914. 



Variety. 



Northwestern Dent 



Brown County Yellow 



Ardmore Yellow 



U. S. Selection 133 



Ninety-Day Disco 



Lyman White Cap 



Martens White Dent. . 

 Payne White Dent 



Plat 

 No. 



Yield of 

 ears. 



Pounds. 

 60.0 

 64.5 

 65.0 

 80.0 

 74.0 

 62.0 

 78.0 

 62.0 



Plat 

 No. 



Yield of 

 ears. 



Pounds. 

 66.5 

 74.0 

 62.0 

 65.0 

 62.5 

 69.0 

 82.5 

 68.5 



Plat 

 No. 



Yield of 

 ears. 



Pounds. 

 50.0 

 66.0 

 73.0 

 82.5 

 73.0 

 82.0 

 90.0 

 75.5 



Total 

 yield. 



Pounds. 

 176.5 

 198.0 

 200.0 

 227.5 

 209.5 

 223.0 

 251. 

 206.0 



Summary Showing the Relative Rank and Class of Each Variety for the Years 1912, 1913, and 



1914. 





Yield per acre (bushels). 





Rank. 



Class. 





Variety. 



1912 (5 

 plats). 



1913 (2 

 plats). 



1914 (3 

 plats). 



1912(5 



plats). 



1913 (2 



plats). 



1914 (3 



plats). 



1912 (5 

 plats). 



1913 (2 

 plats). 



1914 (3 

 plats). 





23.0 

 21.5 

 25.0 

 21.5 

 26.5 

 20.5 

 20.0 

 15.5 

 21.0 

 26.0 

 12.5 

 6.0 



49.0 

 56.0 

 56.0 

 51.0 

 55.5 

 38.5 



37.5 

 30.0 

 41.0 

 38.0 

 37.0 



4 



5 



3 



5 



1 



7 



8 



11 



6 



2 



14 



15 



6 

 2 

 2 

 5 

 3 

 8 



5 



•7 

 3 

 4 

 6 



1 

 1 

 1 

 1 

 1 

 2 

 2 

 3 

 2 

 1 

 3 

 3 



2 

 1 

 1 

 2 

 1 

 3 



2 





3 



U S. Selection 133 



1 



Brown County Yellow 



2 

 3 







































White Australian 





























U.S. Selection 160 

















54.5 



45.5 



. 60.5 



37.5 



4 

 7 

 1 



5 



1 

 3 

 1 



2 









Martens White Dent 





48.0 

 42.0 





1 



2 





1 







1 



U. S. Selection 133 X U. S. 

 Selection 160 



16.0 



19.0 



13.0 

 15.0 





10 

 9 



13 



12 





3 



3 



3 

 3 







Brown County Yellow X 

 U. S. Selection 160 















White Australian X U. S. 

 Selection 160 















Curren X U. S. Selection 160 





























TESTS AT MITCHELL. 



Kesults covering three years are available from the station at 

 Mitchell, Nebr. The tests have been made each year on irrigated 

 and on dry land. In 1914 the crop on dry land was injured badly by 

 drought and no yield records were made. 



The units were in all years 2-row plats, 132 feet long and 7 feet 

 wide. In 1912 no check plats were grown. In 1913 and 1914 the 

 variety plats were alternated with check plats in which a common 



