HISTORICAL PLOT DATA
2019 Test Plots
SUMMARY CHARTS
CORN ON SOYBEAN SUMMARY CHART
CORN ON CORN SUMMARY CHART
SOYBEAN MD SUMMARY CHART
SANBORN CORNERS PLOT
Corn: NE Corn on Soybean MD Plot
Corn: NW Corn Show Plot
Corn: SE Corn on Corn MD Plot
Soybeans: NW Soybean MD Plot
Soybeans: West Treatment and Fungicide Application Tests
LARSON SEEDS SHOW PLOT
Corn: NE Corn on Soybean MD Plot
Corn: NM Corn on Corn Show Plot
Corn: SE Planting Prescription Study
Corn: SW Corn Various Studies
Soybeans: Soybean MD Plot
Soybeans: Soybean Treatment Test
Other Research Sites:
CORN
Corn: Austin Quade Corn MD Plot (Pending)
Corn: Bill Rogotzke Corn MD Plot
Corn: Braulick: Essig Show Plot
Corn: Brian Timm MD Plot
Corn: Bruce Berg Smartstax vs. DoublePro Tests
Corn: Chuck Hansen Population Study
Corn: Chuck Hansen MD Plot (Early Hybrids Included)
Corn: Chuck Hansen MD Plot (Late Hybrids Included)
Corn: Comfrey Corn MD Plot
Corn: Hoffbeck Corn MD Plot
Corn: Walters Corn on Corn MD Plot
Corn: Walters Corn on Soybean MD Plot
SOYBEANS
Soybeans: Fieldstone MD Plot
Soybeans: Laurie Hoffbeck MD Plot
Soybeans: Austin Quade MD Plot (Early Set)
Soybeans: Bill Rogotzke MD Plot (Early Set)
Soybeans: Bill Rogotzke Treatment Study (Side by Side)
Soybeans: Bill Rogotzke Treatment Study (Block Study)
Soybeans: Walter Bros MD Plot
2018 Test Plots
SANBORN CORNERS PLOT
Corn: Corn on Corn MD Plot (East Middle)
Corn: Corn on Soybean MD Plot (South East)
Corn: Corn on Soybean Various Studies (South West)
Soybean: Various Studies (North West)
Soybean: MD Plot (North East) LARSON SEEDS SHOW PLOT
Corn: Corn on Corn Show Plot (North Middle) ***Harvested
Corn: Corn on Corn Treatment Tests (South Middle) ***Harvested
Corn: Corn on Soybeans MD Plot (North West) *** Harvested
Corn: Corn on Soybeans Trait Study SS vs. VT2P (South West) ***Harvested
Soybean: MD Plot (North East) ***Harvested
Soybean: Script and Treatment Studies (South East) ***Harvested
Soybean: NEMASTRIKE STUDY! ***Harvested WALTER SHOW PLOT
Corn: Corn on Soybean MD Plot (South Middle)***Harvested
Corn: Corn on Corn MD Plot (South West)***Harvested
Corn: Corn on Corn Treatment Studies (North Middle)***Harvested
Soybean: Treatment & Row Spacing Test (North East) ***Harvested
Soybean: MD Plot (South East) ***Harvested SOYBEAN PLOTS
Soybean: Berg Brothers Early MD Plot
Soybean: Brian Timm MD Plot
Soybean: Comfrey Early MD Plot
Soybean: Jensen Treatment and MD Plot
Soybean: Laurie Hoffbeck MD Plot ***Harvested
Soybean: William Rogotzke MD Plot ***Harvested CORN PLOTS
Corn: Altermatt Bros Variety Plot ***Harvested
Corn: Berg Brothers Variety Plot ***Harvested
Corn: Bruce Berg Variety Plot
Corn: Bruce Berg Prescription Study ***Harvested
Corn: Chuck Hansen Corn Treatment Study ***Harvested
Corn: Chuck Hansen Late MD Plot ***Harvested
Corn: Fieldstone Highway 68 MD Plot
Corn: Laurie Hoffbeck Show Plot ***Harvested
Corn: Redwood Falls MD Plot ***Harvested
Corn: William Rogotzke MD Plot ***Harvested 
2017 Test Plots
SANBORN CORNERS PLOT
- Soybean: MD Plot (SE)
- Soybean: Treatment Tests
- Corn: Corn on Corn MD Plot
- Corn: Corn on Soybean MD Plot
- Corn: Multi-Hybrid Planter Study
- Corn: Corn on Corn Planting Prescription Study
- Corn: Corn on Corn Treatment Studies
- Corn: Corn on Soybean Planting Prescription Study
- Corn: Corn Trait Study- Smartstax vs DoublePro
LARSON SEEDS SHOW PLOT
- Soybean MD plot (NW)
- Soybean NEMASTRIKE TESTS
- Corn on Corn Show Plot
- Corn on Soybean MD Plot
- Corn on Corn Treatment Tests
- Corn on Soybean Planting Prescription Tests
WALTER SHOW PLOT
- Soybean MD plot
- Soybean Treatment Tests
- Corn on Corn MD Plot
- Corn on Corn Treatment Test
- Corn on Corn Population Study
SOYBEAN PLOTS 2017
CORN PLOTS 2017
- Altermatt Bros Variety Plot
- Berg Bros Variety Plot
- Bill Rogotzke Variety Plot
- Brian Timm MD Plot
- Brian Timm Population Study
- Bruce Berg Planting Prescription Tests
- Bruce Berg Smartstax VS DoublePro Tests
- Chuck Hansen Corn on Corn (Multiple years) MD Plot
- Chuck Hansen Corn on Corn (Multiple years) Treatment Test
- Comfrey MD Plot
- Juenemann Farms Variety Plot
- Laurie Hoffbeck Variety Plot
- Storden Treatment Tests
- Storden Planting Prescription Tests
- Wayne Pankonin Hwy 71 Treatment Tests
- Wayne Pankonin Hwy 71 MD Plot
2016 Test Plots
SANBORN CORNERS PLOT
- Soybean: MD Plot (Northeast)
- Soybean: Population and Row Spacing Test (Northwest)
- Soybean: Treatment Test (Northwest)
- Corn: Corn on Soybean MD Plot
- Corn: Corn on Corn MD Plot
- Corn: Corn on Corn Population Study (Middle West)
- Corn: Corn on Corn Treatment Study 1 (Southwest)
- Corn: Corn on Corn Treatment Study 2 (Southwest)
- Corn: Corn on Corn Smartstax vs. DoublePro (Southwest)
- Corn: Corn on Corn Greenamax Study
- Corn: Corn on Corn Climate Nitrogen Study
- Corn: Corn on Soybean Climate Nitrogen Study
LARSON SEEDS SHOW PLOT
- Soybean Treatment Test
- Soybean MD Plot
- Corn on Corn Show Plot
- Corn on Soybean MD Plot
- Corn on Soybean Population Test
- Corn on Soybean Treatment Test
SOYBEAN PLOTS
- Berg Bros
- Bill Rogotzke MD Plot
- Larson Seeds Comfrey Plot
- Larson Seeds Comfrey Plot Treatment & Population Test
- Wayne Pankonin MD Plot with XTEND
- Wayne Pankonin Row Spacing Test
CORN PLOTS
- Bill Rogotzke Variety Plot
- Bruce Berg Variety Plot
- Chuck Hansen Corn on Corn (Multiple years) MD Plot
- Chuck Hansen Corn on Corn (Multiple years) Treatment Test
- Chuck Hansen Corn on Corn (Multiple years) Population Test
- Walter Corn on Soybean MD Plot
- Walter Corn on Soybean Population Study
- Walter Corn on Soybean Smartstax vs. DoublePro Study
- Walter Corn on Soybean Treatment Study
2015 Test Plots
SOYBEAN PLOTS
Larson Seeds Show Plot
Sanborn Corners
CORN PLOTS
- Altermatt Bros
- Berg Bros MD Plot
- Bill Rogotzke MD Plot
- Brian Timm MD Plot
- Chuck Hansen Corn on Corn MD Plot
- Chuck Hansen Corn on Corn Treatment Tests
- Chuck Hansen Corn on Corn Trait Comparison
- Comfrey MD Plot
- Highway 71 High Moisture Plot
- Juenemann Variety Plot
- Wayne Pankonin MD Plot
- Wayne Pankonin Treatment Tests
- Wayne Pankonin VT2P vs Smartstax
Larson Seeds Show Plot
- Larson Planting Date Test
- Larson Corn on Corn
- Larson Home Corn on Corn Treatment Tests
- Larson Home FTN Plot
Sanborn Corners
- NE Corn on Soybean MD Plot
- NW Corn Population Study
- NW Corn Trait Study
- SW Corn on Corn Insecticide Test
- SW Planting Depth and Compaction Study
- SW Corn on Corn Goss’ Wilt Study
- SW Corn on Corn Treatment Study
- SE Corn on Corn MD Plot
2014 Test Plots
SOYBEAN PLOTS
- Berg Bros. MD Plot
- Bill Rogotzke MD Plot
- Comfrey Plot
- Wayne Pankonin MD Plot
- Wayne Pankonin Treatment Study
Larson Seeds Show Plot
Sanborn Corners
CORN PLOTS
Larson Seeds Show Plot
Sanborn Corners
- Front ME Corn on Soybean Late MD Plot
- Back MW Corn on Soybean Early MD Plot
- Back MW Corn on Corn Population Studies
- Back SW Corn on Corn Treatment Studies
- Front Corn on Corn Treatment and Population Studies
2013 Test Plots
SOYBEAN PLOTS
- Bill Rogotzke Market Development Plot
- Chad Heiling Variety Plot
- Larson Seeds Show Plot
- Jack Larson Redwood Plot
Sanborn Corners
CORN PLOTS
- Berg Bros Market Development
- Bill Rogotzke Market Development
- Bruce Berg Variety Plot
- Chad Heiling Variety Plot
- Chuck Hansen Market Development
- Chuck Hansen Population Study
- Jim Timm Variety Plot (Results Pending)
- Juenemann Farms Variety Plot (Results Pending)
- Larson Seeds Show Plot Corn on Corn Treatment and Population Tests
- Larson Seeds Show Plot Corn on Corn Variety Plot
- Larson Seeds Show Plot Corn on Soybean Treatment and Population Tests
- Larson Seeds Show Plot Corn on Soybean Variety Plot
Lefty Coulter Variety Plot (Results Pending)
Sanborn Corners
- Corn on Soybean Market Development
- Corn on Corn Market Development
- Ratchet & Population Tests
- Treatment & Population Tests
2012 Test Plots
CORN PLOTS
- Berg Bros. Market Development HARVESTED
- Bill Rogotzke Market Development HARVESTED
- Brian Timm Market Development HARVESTED
- Bruce Berg Side x Sides HARVESTED
- Chuck Hansen Market Development HARVESTED
- Chuck Hansen Population Tests HARVESTED
- James Timm Market Development HARVESTED
- Jeff Pankonin Variety Plot
- Johnny Larson Nitrogen Test HARVESTED (Extreme drought conditions)
Split Applied vs Singular Application
(Split applied= 100 lbs March application + 90 lbs June 10 Application)
(Singular Application=190 lbs March Application) - Larson Seeds Corn on Corn Show Plot HARVESTED
- Larson Seeds Corn on Soybean Show Plot HARVESTED
- Larson Seeds Corn on Corn Population Tests HARVESTED
- Larson Seeds Corn on Corn Treatment Tests HARVESTED
- Lefty Coulter Variety Plot HARVESTED
Split applied NH3 - Jack Larson Side x Sides HARVESTED
- Redwood Falls Market Development HARVESTED
- Runck Dairy DKC Plot HARVESTED (DATA PENDING)
- Ryan Farms DKC Plot HARVESTED (DATA PENDING)
- Sanborn Corners Corn on Corn Market Development (SE CORNER) HARVESTED
- Sanborn Corners Corn on Soybean Market Development (NE CORNER) HARVESTED
- Sanborn Corners Corn on Soybean Population and Planting Date Tests (NW CORNER) HARVESTED
- Sanborn Corners Corn on Corn Population and Treatment tests (SW Corner) HARVESTED
SOYBEAN PLOTS
- Berg Bros. Market Development HARVESTED
- Bill Rogotzke Market Development HARVESTED
- Bill Rogotzke Population Test HARVESTED
- Larson Home 1 Row PH Plot (CLICK HERE FOR VIDEO!)
- Larson Home Late Season Show Plot HARVESTED
- Larson Home Early Season Show Plot HARVESTED
- Larson Home Population Study HARVESTED
- Larson Home Population and Treatment Tests HARVESTED
- Sanborn Market Development HARVESTED
- Sanborn Treatment and Population Tests HARVESTED
- Wayne Pankonin Jensen Farm Population Test HARVESTED
- Wayne Pankonin Jensen Farm Market Development HARVESTED
***This information is to be used by Jack Larson Seeds for informational purposes and is not for redistribution. All copyrights reserved.