student
The article evaluates the economic effect of precision farming as a tool for reducing costs and stabilizing margins. Based on three pilots, it is shown that guidance using global navigation satellite systems (GNSS) with real-time kinematic correction (RTK) and section control, linked to the farm management system (FMS), reduce overlaps and expenses on plant protection products (PPP) and fuels and lubricants (POL), reducing the cost of goods sold (COGS) by 4–5% with a return on investment (ROI) of about 1–2 years. Variable rate application (VRT) reduces nitrogen consumption by ~10–14% with an increase in yield, variable rate irrigation (VRI) saves water and energy and levels the yield. The key to a sustainable effect is data discipline: sensor calibration, “plan-fact”, exchange standards, verified baselines. The role of vegetation indices (NDVI/NDRE) and radar (SAR) in spot treatments and risk management is discussed separately.
precision farming, GNSS/RTK guidance, variable rate application (VRT), variable rate irrigation (VRI), NDVI/NDRE, SAR, FMS, COGS, plant protection products, fuel and lubricants, ROI
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