48 



CULTIVATION METHODS AND ROTATIONS FOR GREAT PLAINS. 



The results of these tests tend very strongly toward the conclusion 

 that a corn crop is a better preparation for spring wheat or oats than 

 summer tillage under a wide range of soil and climatic conditions in 

 the Great Plains. 



Table XXIV. — Disked corn stubble compared with summer tillage as a preparation for 



crops of wheat and oats. 



Station. 



Year. 



Average value per acre of wheat and oats. 



Rota- 

 tion 

 No. 1. 



Rota- 

 tion 

 No. 4. 



Rota- 

 tions 

 Nos. 1 

 and 4. 



Rota- 

 tion 

 No. 5. 



Rota- 

 tion 

 No. 8. 



Rota- 

 tions 

 Nos. 5 

 and 8. 



Gain in 

 favor 

 of sum- 

 mer til- 



Gain in 

 favor of 

 disked 

 corn 

 stub- 

 ble.a 



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 



Hays, Kans 



Garden City, Kans. . 



Dalhart, Tex 



Amarillo, Tex 



Do 



1909 

 1908 

 1909 

 1907 

 1908 

 1909 

 1906 

 1907 

 1908 

 1909 

 1907 

 1908 

 1909 

 1909 

 1908 

 1909 

 1909 

 1908 

 1909 



$20. 66 

 16. 03 

 21.60 

 8. 90 

 11.14 

 19.50 

 14. 81 

 13.48 

 11.61 

 17. 16 

 10. 73 

 17.62 



1L34 

 5. 39 

 .75 



$21.11 



15. 72 

 21.17 



7.47 

 8.22 

 18. 10 



16. 74 

 15. 96 

 11.88 

 20.16 

 13.35 

 17.54 



8. 41 

 6. 38 

 4. 41 

 .70 



$20. 89 

 15. 87 

 21.39 

 8.18 

 9.68 

 18.80 

 15. 77 

 14. 72 

 11.75 

 18. 66 

 12. 04 

 17.58 

 9.19 

 8. 86 

 4. 90 

 .73 



6.71 

 1.50 



7.; 



7.04 

 .75 



$21.47 

 15. 81 

 20.88 

 7. 66 

 10. 86 

 18. 50 

 16. 50 

 18.24 

 12. 87 

 17. 16 

 12.48 

 20. 87 

 11.02 

 7.96 

 4. 65 

 2.48 

 2.31 

 8.61 

 5. 14 



$22. 02 



15. 29 

 21.70 



7. 19 

 6. 22 



16. 41 

 20. 01 

 18. 48 

 15. 24 

 22. 74 

 14.63 

 23.11 



5. 04 

 7.52 

 5.58 

 2. 01 

 1.50 

 9.12 

 3.84 



$21. 75 

 15. 55 

 21.29 

 7.42 

 8. 54 

 17.46 

 18. 26 



18. 36 

 14. 05 



19. 95 

 13.55 

 21.99 



8. 03 

 7.74 

 5. 12 

 2. 24 

 1.91 

 8. 86 

 4. 49 



$0. 



2.49 

 3.64 

 2. 30 

 1.29 

 1.51 

 4. 41 



$0. 32 

 .10 

 .76 

 1.14 

 1.34 



1. 16 

 1.12 



.22 

 1.51 

 1.91 

 1.82 

 3.74 



Average . 



11.52 



11.30 



11.41 



12. 39 



12. 51 



12.45 



1.04 



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 



Hays, Kans 



Garden City, Kans. . 



Dalhart, Tex 



Amarillo, Tex 



Do 



Total.... 

 Average . 



Year. 



1909 

 1908 

 1909 

 1907 

 1908 

 1909 

 1906 

 1907 

 1908 

 1909 

 1907 

 1908 

 1909 

 1909 

 1908 

 1909 

 1909 

 1908 

 1909 



Returns from corn crop. 



Fodder. 



$11.47 

 3.13 

 2. 97 

 4. 33 

 3.48 

 4. 38 



5. 26 

 7.01 

 5.11 

 3.78 

 4. 03 

 7. 86 

 3.97 

 1.31 

 4. 57 

 2.13 



74. 79 



Grain. 



$18. 84 



11.82 

 14. 95 

 9. 13 

 8. 36 

 7.69 

 7.23 

 10. 27 

 10. 19 

 9. 73 

 5. 27 



6. 37 



119.85 



Total. 



$11.47 

 3. 13 

 21.81 

 4.33 

 3.48 

 16. 20 



14. 95 

 9. 13 

 8. 36 



12. 95 

 14. 24 



15. 38 

 13.97 

 13.76 

 13.13 



3.97 

 1.31 

 10. 94 

 2.13 



194. 64 

 10. 24 



Net gain 

 per acre of 

 rotations 1 

 and 4 in 

 favor of 

 disked 

 corn 

 stubble. 



$4. 87 

 1.89 

 11.00 



2. 93 

 2. 88 

 9.44 

 4.98 



.93 

 1.88 

 5. 18 

 5. 61 

 3.28 

 8. 24 

 8.00 

 6. 35 



.48 

 -1.26 



3. 65 

 -2.67 



4.08 



187 



Corn not considered. 



