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Copy link Potato Polysulphate Topdress Trial
41
CWT/A increase
Polysulphate increased marketable yields in potatoes by 41 CWT/A when applied as a top dress at hilling in Canada
Prince Edward Island, Canada
41
Key Conclusions
By applying Polysulphate as a top-dress application at hilling marketable yields were significantly improved.
- Averaged across all sites, Polysulphate improved marketable yields by 41 CWT/ACRE
Objective
To investigate the effect Of Polysulphate as a topdress application at hilling. This was an incremental application in addition to K-Mag® that had been applied as the grower standard practice at planting.
Trial Details
Trial station
Prince Edward Island, Canada
Crop
Potato
Product
Polysulphate®
Assessments
Marketable Yield
Treatments
- Application rates of Polysulphate 300 lb/A, applied as a top-dress at hilling
- K-Mag at 227 lb/A applied as Grower Standard Practice (GSP) at planting
- Trials (3 to 4 acres in size) were coordinated by Steve Watts (Genesis Crop Systems, Inc.) at six commercial potato fields.
- Grower Standard practices were used for N, P, and K.
Treatments
- Application rates of Polysulphate 300 lb/A, applied as a top-dress at hilling
- K-Mag at 227 lb/A applied as Grower Standard Practice (GSP) at planting
- Trials (3 to 4 acres in size) were coordinated by Steve Watts (Genesis Crop Systems, Inc.) at six commercial potato fields.
- Grower Standard practices were used for N, P, and K.
Results
Polysulphate on Potatoes
Prince Edward Island, Canada
27
CWT/A increase
Polysulphate on Potatoes
Vandermeere, North Carolina, USA, 2021
77
Marketable yield increase
The four-in-one natural fertilizer
