CKOP ROTATION COMPARED WITH CONTINUOUS CROPPING. 33 



Table XII. — Yields of oats, barley, and corn in bushels per acre and farm value per acre 

 in nineteen tests, 1906-1909, inclusive. 



Rotation No. 7. 



Plat A. Oats on spring-plowed ground. 

 Plat B. Barley on spring-plowed ground. 

 Plat C. Corn on spring-plowed ground. 



Station. 



Judith Basin, Mont.. 

 Dickinson, N. Dak. . 



Do 



Edgeley, N. Dak 



Do 



Do 



Highmore, S. Dak... 



Do 



Do 



Bellefourche, S. Dak. 

 North Platte, Nebr.. 



Do 



Do 



Akron, Colo 



Garden City, Kans. . 



Hays, Kans 



Dalhart, Tex 



Amarillo, Tex 



Do 



Average. 



Year. 



1908 

 1909 

 1907 

 1908 

 1909 

 1906 

 1907 

 1908 

 1909 

 1907 

 1908 

 1909 

 1909 



1909 



Oats. 



Bushels 

 74.0 

 60.9' 

 70.3 

 24.8 

 24.7 

 60.9 

 57.5 

 43.8 

 40.0 

 58.8 

 35.7 

 60.3 

 35.0 

 25.6 

 3.8 

 15.2 



.0 

 21.3 



.0 



$22. 20 

 18. 27 

 21.09 

 7. 44 

 7. 41 

 18. 27 



17. 25 

 13.14 

 12. 00 

 17.64 

 10. 71 



18. 09 

 10. 50 



7.68 

 1.14 

 4. 56 



.00 

 6. 39 



.00 



37. 5 11. 25 22. 83 



Barley. 



Bushels 

 39.1 

 34.4 

 49.2 

 10.6 

 26.0 

 32.7 

 29.2 

 28.3 

 29.9 . 

 28.1 

 40.2 

 22.3 

 18.5 

 22.2 

 5.7 

 9.2 

 .0 

 8.1 

 .0 



$14. 86 

 13.07 

 18. 70 

 4. 03 

 9. 88 

 12.43 

 11.10 

 10. 75 

 11.36 

 10. 68 

 15. 28 

 8. 47 

 7. 03 

 8. 44 

 2. 17 

 3.50 

 .00 

 3.08 

 .00 



Corn. 



Bushels. 



46.7 



29.8 

 43.1 

 28.6 

 32.6 

 20.6 

 22.6 

 31.7 

 22.1 

 21.7 



4.0 



67 16. 87 



$18. 21 



11.62 

 16. 81 

 11.15 

 12.71 

 8.03 

 8. 81 

 12. 36 



1.56 



6.63 



Corn 

 fodder. 



Pounds. 

 7,120 

 1,480 

 2,000 

 1,950 

 2,550 

 2,800 



Aver- 

 age 



value 

 per acre 



of oats 

 and 



barley. 



Table XIII. — Yields of oats and wheat in bushels per acre and farm value per acre in 

 nineteen tests, 1906-1909, inclusive. 



Rotation No. 8. 



Plat A. Oats on fallow land. 



Plat B. Spring wheat on ground plowed early the preceding fall. 

 Plat C. Summer tillage. 



Station. 



Year. 



Oats. 



Wheat. 



Average 

 value per 



acre of 

 oats and 



wheat. 







Bushels. 





Bushels. 









1909 



66.2 



$19. 96 



40.3 



$24. 18 ' 



$22. 02 



Dickinson, N. Dak 



1908 



60.9 



18. 27 



20.5 



12. 30 



15. 29 



Do 



1909 



74.7 



22. 41 



35.0 



21.00 



21.70 



Edgeley, N. Dak 



1907 



30.9 



9. 27 



8.5 



5. 10 



7. 19 



Do 



1908 



20.9 



6. 27 



10.3 



6. 18 



6.22 



Do 



1909 



56.2 



16. 86 



26.6 



15. 96 



16. 41 



Highmore, S. Dak 



1906 



83.4 



25. 02 



25.0 



15. 00 



20. 01 



Do 



1907 



57.8 



17.34 



32.7 



19. 62 



18.48 



Do 



1908 



46.6 



13. 98 



27.5 



16.50 



15. 24 



Bellefourche, S. Dak 



1909 



85.2 



25. 56 



33.2 



19. 92 



22.74 



North Platte, Nebr 



1907 



40.9 



12. 27 



28.3 



16. 98 



14.63 



Do 



1908 



91.5 



27. 45 



31.3 



18. 78 



23.11 



Do 



1909 



.00 



.00 



16.8 



10. 08 



5. 04 



Akron, Colo 



1909 



28.3 



8. 49 



10.9 



6.54 



7.52 



Hays, Kans 



1908 



28.8 



8. 64 



4.2 



2.52 



5. 58 



Garden City, Kans 



1909 



5.8 



1.74 



3.8 



2. 28 



2. 01 



Dalhart, Tex 



1909 



10.0 



3.00 



.0 



.00 



1.50 



Amarillo, Tex 



1908 



33.4 



10. 00 



13.7 



8. 22 



9. 12 



Do 



1909 



25.6 



7.68 



.0 



.00 



3. 84 



Average 





44. 56 



13. 37 



19.4 



11.64 



12.51 







187 



