High fertilizer and seed costs make field-by-field efficiency feel urgent, so we walk through how variable rate technology turns “I know my field” into something your equipment can actually run. We also share the simplest places to start, what details matter with controllers and file exports, and how older gear can still deliver real ROI. 

In this episode, we talk
• spring 2026 recap through the lens of input costs, weather, and markets 
• asking field-level questions that reveal profitable variability 
• building the workflow from boundary to variability map to prescription 
• choosing between zone maps from imagery and grid sampling maps 
• understanding why controller type changes how a shapefile must be written 
• reducing frustration by matching prescriptions to controller capabilities 
• starting with variable rate seeding for corn and soybeans 
• adjusting populations on droughty hilltops and sandier soils 
• making air seeders and multi-tank carts part of a precision ag plan 
• using research, forums, and testing to make older controllers work 

If you're interested in how GK can help you get started implementing VRT on your farm, check out our website for more information.

https://gktechinc.com/