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Copy link Potato Polysulphate Trial on Sandy Clay Loam Soil
27
CWT/A increase
Polysulphate improves marketable yields and maintains Petiole Mg concentrations on sandy clay loam
Prince Edward Island, Canada
27
Objective
To investigate the effect of Polysulphate versus K-Mag® as at planting sources of Mg.
Trial Details
Trial station
Prince Edward Island, Canada
Crop
Potato
Product
Polysulphate®
Assessments
Marketable Yield and Petiole Mg Concentration
Treatments
- Application rates (Polysulphate 625 lb/A and K-Mag at 227 lb/A) delivered 25 lb/A of MgO.
- Trials (3 to 4 acres in size) were coordinated by Steve Watts (Genesis Crop Systems, Inc.) at five commercial potato fields.
- Grower Standard practices were used for N, P, and K.
Treatments
- Application rates (Polysulphate 625 lb/A and K-Mag at 227 lb/A) delivered 25 lb/A of MgO.
- Trials (3 to 4 acres in size) were coordinated by Steve Watts (Genesis Crop Systems, Inc.) at five commercial potato fields.
- Grower Standard practices were used for N, P, and K.
Results
Polysulphate on Potatoes
Marshall, Michigan, USA, 2021
22.1
Marketable yields increase
Polysulphate on Potatoes
Vandermeere, North Carolina, USA, 2021
77
Marketable yield increase
The four-in-one natural fertilizer
