Potatoes Result
Ephrata, Washington, USA | 2025
Measurement Display
Trial Information
Trial Type
CRO
Location
Ephrata, WA, USA
Soil Type
Loamy Sand
Organic Matter
1.0%
Variety
Clearwater
Planting/Harvest Info
April - September 2025
Moisture Index
Severe Drought
Agricultural Practices
Conventional Till
Other Information
n/a
Products Featured in Trial
PhycoTerra® Soil Microbial Food
PhycoTerra® soil microbial food improves soil quality, soil structure, water productivity, nutrient availability, and crop yield by waking up the starving, dormant beneficial soil microbes on your potatoes farm.
Trial Results
Grower Standard
Agricultural Practices:
Conventional Till
Average Yield
67120 lb/acre
PhycoTerra®
4 qt/acre
In-furrow
Average Yield
68117 lb/acre
Yield Change
ROI
+1%
4:1
PhycoTerra®
4 qt/acre
Mid-vegetative
Average Yield
68067 lb/acre
Yield Change
ROI
+1%
3:1
PhycoTerra®
2 qt/acre
In-furrow
PhycoTerra®
2 qt/acre
Mid-vegetative
Average Yield
Yield Change
ROI
69187 lb/acre
+3%
7:1
*Error bars represent one standard deviation from the mean. Significance tested using Fisher's t-test.
ROI calculated based on local market price, at time of harvest.
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