Load a Prescription Map

To load a prescription mapClosed Variable Rate Application utilizes a prescription (Rx) map for a given field and product to automatically adjust the rate of application based upon the target rate zones within the field. The .shp, .shx, and .dbf files required to create a shapefile prescription map must be in a polygon shape format that complies with the ESRI (Environmental Systems Research Institute) shapefile specifications and must also be in the WGS (World Geodetic System) 84 datum.:

  1. Place the prescription mapClosed Variable Rate Application utilizes a prescription (Rx) map for a given field and product to automatically adjust the rate of application based upon the target rate zones within the field. The .shp, .shx, and .dbf files required to create a shapefile prescription map must be in a polygon shape format that complies with the ESRI (Environmental Systems Research Institute) shapefile specifications and must also be in the WGS (World Geodetic System) 84 datum. file (this will be a .dbf, .shp, .shx file) on a USB drive. Do not create subfiles for the prescription maps.
  2. Insert the USB drive into the CRX+.
  3. Select Settings on the bottom left of the Home screen. The Settings Menu will open.
  4. Select File Manager on the Settings menu. The File Management window will open.
  5. Select the desired USB drive from the left-most drop down.

  6. Select the desired prescription mapClosed Variable Rate Application utilizes a prescription (Rx) map for a given field and product to automatically adjust the rate of application based upon the target rate zones within the field. The .shp, .shx, and .dbf files required to create a shapefile prescription map must be in a polygon shape format that complies with the ESRI (Environmental Systems Research Institute) shapefile specifications and must also be in the WGS (World Geodetic System) 84 datum. from the list.

  7. Select Copy.
  8. Select Accept to continue copying the file or select Cancel to choose a different file. A Please Wait prompt will open while the files are being transferred.
  9. Start a job. On the Coverage to Implement Assignment window select Edit beside the desired prescription mapClosed Variable Rate Application utilizes a prescription (Rx) map for a given field and product to automatically adjust the rate of application based upon the target rate zones within the field. The .shp, .shx, and .dbf files required to create a shapefile prescription map must be in a polygon shape format that complies with the ESRI (Environmental Systems Research Institute) shapefile specifications and must also be in the WGS (World Geodetic System) 84 datum..

  10. Select the desired prescription mapClosed Variable Rate Application utilizes a prescription (Rx) map for a given field and product to automatically adjust the rate of application based upon the target rate zones within the field. The .shp, .shx, and .dbf files required to create a shapefile prescription map must be in a polygon shape format that complies with the ESRI (Environmental Systems Research Institute) shapefile specifications and must also be in the WGS (World Geodetic System) 84 datum. from the No Rx MapClosed Variable Rate Application utilizes a prescription (Rx) map for a given field and product to automatically adjust the rate of application based upon the target rate zones within the field. The .shp, .shx, and .dbf files required to create a shapefile prescription map must be in a polygon shape format that complies with the ESRI (Environmental Systems Research Institute) shapefile specifications and must also be in the WGS (World Geodetic System) 84 datum. drop-down.
  11. Select Rate from the <Select Rate Column> drop-down.

  12. If needed, adjust the units and conversion factor.
  13. Select Accept. The Coverage to Implement Assignment window will open showing the Rx Control for the product.
  14. Select Accept to begin the job.

    The Run screen will open. The prescription mapClosed Variable Rate Application utilizes a prescription (Rx) map for a given field and product to automatically adjust the rate of application based upon the target rate zones within the field. The .shp, .shx, and .dbf files required to create a shapefile prescription map must be in a polygon shape format that complies with the ESRI (Environmental Systems Research Institute) shapefile specifications and must also be in the WGS (World Geodetic System) 84 datum. will be visible on the Run screen.

  15. Select Eject USB to properly save the information on the USB stick so it can be removed.

Last Revised: Mar 2025