Test locations in Swift Current, Indian Head and Redvers
This project was funded in part by the Government of Canada under the Sustainable Canadian Agricultural Partnership, a federal-provincial-territorial initiative and by the Saskatchewan Mustard Development Commission.
Objective:
Demonstrate how mustard responds to fertility based on soil test recommendations and a proper balance of macro and micronutrients.
Experimental design:
Split plot with 4 replicates.
Locations:
Swift Current (dry brown), Indian Head (thin black), and Redvers (black-long season).
Treatments:
(2 mustard types x 6 side-banded fertility treatments x 4 reps = 48 plots).
- 0% Soil Rest Recommendation of NPKS (0%)
- 50% Soil Rest Recommendation of NPKS (50%)
- 100% Soil Rest Recommendation of NPKS (100%)
- 100% Soil Test Recommendation of NPKS + 5 lbs. Boron/ac (100% + B)
- 100% Soil Test Recommendation of NPKS + 5 lbs. Zinc/ac (100% + Zn)
- 125% Soil Test Recommendation of NPKS (125%)
Variety:
AAC Yellow 80 (composite) and AAC Brown 18 (hybrid).
Seed Rate:
237 seeds/m2 (AAC Yellow 80 at 11 lb/ac, AAC Brown 18 at 8 lb/ac).
Results from this 2023 demonstration, show mustard yield was not affected by variety. However, yield did increase with fertilizer. In the combined site analysis, the addition of Zinc (100% + Zn) resulted in a 113 lb/ac yield increase compared to without (100%). Applying 125% of the soil test recommendation also resulted in a yield increase, but was not significantly different than 100% + Zn. This study demonstrates the importance of soil testing and applying a proper balance of macro and micronutrients in order to optimize yield and economics.
Fertility treatment effects on mustard yield averaged by variety (AAC Yellow 80 and AAC Brown 18) and site (Swift Current, Indian Head and Redvers, 2023). Columns denoted by the same letter do not significantly differ (CV=18.9%, LSD=109).
Or see the full results at wheatlandconservation.ca