FORAGE CEOPS IN NORTHERN GREAT PLAINS. 



21 



Table 10. 



Forage yields of sorghum varieties at 11 stations in the northern Great 

 Plains region in stated years. 



[Data in pounds per acre, field cored, except that yields marked with a star (*) are air dry weights. F= 

 Killed by frost— not included in the averages. H=Destroyed by hail — not included in the averages.] 



Varieties and stations. 



1913 



1914 



1915 J 



1916 



1917 



1918 



191-9 



1920 



1921 



1922 



Aver- 

 age. 



Dakota Amber: 



Redfield 





8,904 

 5,680 



"2, 766 



7,777 

 4,880 

 5,626 

 2,023 



4,996 

 1,410 



H 

 3,300 



6,142 



3,085 



1,350 















3,930 



8,437 

 2,660 

 2,900 

 

 4,230 

 5,900 

 3,650 



4,' 850 

 2,635 

 *3,546 

 1,050 

 2,450 



*5,826 

 3,105 



'*i,~606 

 5,580 

 5,950 



6,968 







3,519 

 3,128 

 1,196 







Havre 









"3," 666 



3,300 





 4,740 

 7,700 

 5,850 



Sheridan 











3,100 



Belle Fourche 3 .... 



3,;oo 



1,725 



6,450 

 8,300 

 2, 866 



9,650 

 6,860 

 3,002 

 3,780 

 2,860 

 5,940 



4,160 

 11,219 

 8,100 



4,608 

 5,718 

 2,692 



Highmore 4 



2,300 



2,600 





- 



Hettinger 5 



1,787 

 1,532 

 2,805 



3,220 

 7,105 



3,460 







6,390 



4,240 

 H 

 7,300 



4,390 



""4," 925 



4,115 

 6, 951 

 5,300 











4,880 



9,095 



6,370 



3,960 







3,825 



2, 950 

 12,951 

 4,800 





 3,370 

 2,030 

 15,483 

 5,420 







3, 475 









1,340 

 2,475 



1,830 



*ii,'5o6 



F 

 '16," 394 



*2, 613 



6,345 



*fi,322 



1,391 



Williston 6 









4,393 



Minnesota Amber: 

 Mandan 1 





6,370 



8,884 



4,154 



Redfield 





9,118 

 7,400 



Ardmore l 





Red Amber: 







*2, 611 

 870 



*623 

 9,900 

 *6, 705 

 *6, 028 



809 











2,540 

 3,100 

 9,498 



4,660 

 4,240 

 H 

 8,070 



3,557 

 4,898 







7,040 

 11,296 



3, 760 

 "i6,'450 



7,430 

 14,719 

 13, 230 



Redfield 





11,584 



11,100 



Ardmore * 





8,708 















1 Data from the records of the Office of Dry-Land Agriculture Investigations. 



2 Data from North Dakota Agricultural Experiment Station Bulletins 131, 138, and 160. 



3 Data from Farmers' Bulletin 1163 up to and including 1919 ; other years from the 

 records of the Office of Dry-Land Agriculture Investigations. Besides those printed in 

 the table, the following yields of the Dakota Amber variety at Belle Fourche are in- 

 cluded in the average for that station : 1909, 5,920 pounds ; 1910, 3,360 pounds ; 1912. 

 4,100 pounds. 



4 Data from South Dakota Agricultural Experiment Station Bulletin 174. 



5 Data from North Dakota Agricultural Experiment Station Bulletins 130 and 150. 



6 Data from North Dakota Agricultural Experiment Station Bulletin 158. 



Fig. 5. 



-Sorghum at Redfield, S. Dak. This crop withstands drought well ana competes with 

 corn as a silage crop in the southern part of the region. 



