A Danish startup thinks the fastest way to cut farm chemical use is not a smarter drone, but a tractor with better eyesight. PerPlant says its precision farming system can reduce herbicide use by 90% and fertilizer use by 30% on medium-sized farms of about 200 hectares, while paying for itself in a single season.
That pitch lands because farming is getting squeezed from both sides: regulators want less chemical runoff, while farmers want fewer costly inputs and less paperwork. PerPlant is trying to solve both at once by turning ordinary machinery into a real-time scouting and spraying system.
How PerPlant works on the tractor
The system mounts sensors on tractors and captures field data at a resolution of 2-10 cm. That is fine-grained enough to document each plant and affected zone, which matters if the data needs to satisfy banks, insurers, or regulators rather than just look impressive in a demo video.
PerPlant says the hardware already covers more than 200,000 hectares of European farmland, a figure it claims is nine times larger than the combined area covered by all agricultural drones in Denmark. That comparison is doing a lot of work, but it points to a real advantage: tractors are already on the field, so the system piggybacks on existing farm workflows instead of asking operators to add another machine to the fleet.
The software side is doing the heavy lifting
The company says its approach is based on research from KTH in Stockholm and processes data in real time without sending it to the cloud. That is useful not just for speed, but for compliance, especially as the EU pushes for lower chemical use and farms need cleaner documentation to qualify for subsidies.
- Herbicide reduction: 90%
- Fertilizer reduction: 30%
- Field resolution: 2-10 cm
- Potential annual savings: 269,000 Danish kroner, or about $42,000
PerPlant says that level of savings can make the system profitable for a single farm in one season. That is the kind of payback period farmers actually care about, because sustainability slogans do not cover equipment loans.
From Europe to the US
PerPlant is already active in 12 countries, including Denmark, the UK, the Netherlands, Belgium, Norway, Poland, Latvia, Estonia, Lithuania, Spain, Ireland, and Chile. Its backers include banks, large technology companies, the European Space Agency, and Innovation Fund Denmark, which suggests this is more than a garage startup with a good demo.
The next test is the US market, where precision agriculture is crowded with autonomous sprayers, machine-vision tools, and drone platforms from better-funded rivals. PerPlant’s edge may be less about flash and more about administration: if the software can automatically map sensitive groundwater zones, shut off spraying with centimeter accuracy, and simplify reporting, it could sell compliance as much as chemistry reduction.
The real competition is paperwork
The interesting question is whether farmers buy PerPlant for the environmental upside or for the boring stuff: fewer inspections, cleaner records, and less time spent proving they did the right thing. If the company can keep the savings and the bureaucracy gains together, it has a stronger pitch than another agricultural gadget promising to ”disrupt” farming.

