Precision sprayer SpotSprayING added to the DRT list

The Evolution of Precision Crop Protection: Beyond Traditional Spraying

The landscape of modern agriculture is shifting from broad-spectrum application to surgical precision. The integration of artificial intelligence and advanced hardware is no longer a futuristic concept but a practical reality that is redefining how growers manage their fields.

At the forefront of this shift is the transition toward “spot spraying,” where technology allows for the distinction between a weed and a cultivated plant in real-time. This evolution is driven by the need to protect soil and water quality while maintaining high crop yields.

AI and Image Recognition: The Brain of the Modern Sprayer

The core of next-generation spraying lies in the synergy between camera technology and artificial intelligence. Rather than treating an entire field, AI-driven systems continuously scan the crop, identifying specific targets with high accuracy.

This direct link between image recognition and nozzle activation allows for rapid data processing. When the AI detects a weed, it triggers individual nozzles at the exact moment and location required. This eliminates unnecessary overlap and significantly increases the effectiveness of the application.

As these AI systems continue to learn, their ability to distinguish between complex crop varieties and invasive weeds steadily improves, making the technology increasingly versatile across different farming environments.

The Hardware Shift: Achieving Maximum Drift Reduction

Software alone cannot solve the problem of chemical drift. The future of emission-low spraying relies on a “controlled spray configuration” that combines AI with physical shielding.

To achieve the highest levels of drift reduction—such as the 95% rating found on the Dutch DRT (Drift Reducerende Technieken) list—specific hardware standards are becoming the benchmark:

• Physical Enclosures: The use of a metal hood and flexible sealing curtains to fully enclose the spray zone.
• Strict Height Limits: Maintaining a maximum boom height of 30 centimetres to minimize the distance the spray travels.
• Precision Nozzles: Utilizing specific hardware, such as Lechler LS 20 005 and LS 20 02 nozzles, with a maximum top angle of 25°.
• Controlled Velocity: Operating at a maximum driving speed of 8 km/h to ensure accuracy and stability.

Diversifying Precision Applications

While spot spraying is most commonly associated with herbicides, the potential extends far beyond weed control. The industry is moving toward a multi-purpose precision approach.

Precision systems are now being adapted for the application of:

• Fungicides: Targeting only infected areas of the crop to reduce chemical load.
• Insecticides: Applying treatment only where pest pressure is detected.
• Fertilisers: Delivering nutrients directly to the plant, reducing runoff into groundwater.

This versatility allows growers to move seamlessly between spot spraying, band applications and full-field treatments depending on the specific needs of the crop cycle.

The Economic Impact: Slashing Input Costs

The most immediate advantage of adopting AI-driven precision spraying is the drastic reduction in input use. By treating only the weeds and not the entire field, growers can see a reduction in chemical use of up to 90%.

This not only lowers the overhead costs for the farm but also aligns with stricter environmental regulations aimed at reducing emissions to soil and water. The ability to prove a 95% drift reduction provides a significant regulatory advantage for professional growers and contractors.