Table 18. Yields from the stubble mulch fallow trial - 1959
Tillage method wheat yield - bushels per acre
1 2 3 av.
Moldboard plow 7.1 9.6 15.1 10.6
One way disk 11.2 12.0 13.2 12.1
10 inch sweep 10.4 11.8 13.8 12.0
24 inch sweep 5.9 9.4 12.8 9.4
5 foot blade 12.6 13.4 15.7 13.8