Spin Spreader Efficiency Calculator

Total Acres* Please enter your farm acres

Crop* Please enter your crop

Seeder Width (ft)* Please enter your seeder width

Seeding Speed (mph)* Please enter your seeding speed

Seed Rate (lb/ac)* Please enter your seeding speed

Fert Rate (lb/ac)* Please enter your fert rate

Gross Seeding Productivity (ac/hr)* Please enter your fert rate

Seed Weight/Density (lbs/Bu)* Please enter your seed weight/density

Fert Weight/Density (lbs / bu)* Please enter your fert weight/density

Fert Tank Capacity (bu)* Please enter your fert tank capacity

Seed Tank Capacity (bu)* Please enter your seed tank capacity

Seed Fill Time (min)* Please enter your seed fill time

Fert Fill Time (min)* Please enter your fert fill time

Partial Fert Rate (Percentage of Full Rate)* Please enter your partial fert rate (Percentage of Full Rate)

Hours per day of seeding* Please enter your hours per day of seeding

Average yield for selected crop (bushels per acre)* Please enter your average yield for selected crop

Price per bushel of selected crop ($ per bushel)* Please enter your price per bushel of selected crop

Yield decline for every day after target date** Yield decline for every day after target date* *based on Alberta Ag study 2006-09

Scenario 1 (Full Fert Through Seeder) Net Productivity

Days of seeding required (12 hr day)

Time spent filling fert (hrs)

Fert Rate Through Seeder (lb/ac)

Scenario 2 (Partial Fert/Seed) Net Productivity

Days of seeding required (12 hr day)

Time spent filling fert (hrs)

Fert Rate Through Seeder (lb/ac)

Seeding efficiency gained %

Seeding efficiency gained (days)

Expected yield gain (bu/acre)

Expected $ gain ($/acre)

Total expected $ gain

Scenario 3 (Agrispread Full Broadcast) Net Productivity

Days of seeding required

Seeding efficiency gained %

Seeding efficiency gained (days)

Expected yield gain (bu/acre)

Expected $ gain ($/acre)

Total expected $ gain