Variable-rate fertilizer and seed maps for Raven Slingshot
Varigro builds the prescription from a field boundary and writes a shapefile ZIP your Raven Slingshot display can load.
- Rate column
TargetRate- File name
- 24
- In the ZIP
- Shapefile
characters or fewer
.shp, .shx, .dbf, and .prj
Load the map
- On Equipment, set Fertilizer display (or Planter display for seed) to Raven Slingshot before you generate the map.
- Review the map and download the ZIP from the field page or the season plan.
- Upload the ZIP to Slingshot without unzipping it.
- Select
TargetRateas the rate column.
What is in the ZIP
- Files: .shp, .shx, .dbf, and .prj.
- Polygons in WGS84, dissolved by rate, with zone and acres on each row.
- The file name is the field, then the product grade (
North_40_11-52-0) or the seed variety, kept to 24 characters or fewer for the display. - A blend is one ZIP per product grade.
How the rates are set
Each acre is ranked by expected productivity from satellite crop canopy, radar, rainfall, and terrain, then placed between the minimum and maximum rate you enter. See How it works.
Pricing is $3/ac per year. Get started to see it on your acres.