The Greenfield Robotics Weed Cutter is a weeding robot by Greenfield Robotics. It is commercially available and deployed on farms worldwide. Compatible crops include soybeans, specialty crops, organic crops.

Greenfield Robotics operates a fleet of small autonomous weed-cutting robots as a per-acre service for soybean and specialty-crop growers across the US Great Plains. The robots move between crop rows at night and during low-traffic daytime hours, cutting weeds below the soil surface with mechanical blades — entirely without herbicides. Greenfield's service model means growers pay per acre per pass, with no capital expenditure on equipment, maintenance, or storage. The company focuses on soybean fields where in-row herbicide use is tightly constrained, and where physical removal is the only compliant option in organic or transitional fields. Multiple passes per season can eliminate weed populations over time, reducing the long-term weed seed bank in the soil.
| Specification | Value |
|---|---|
| Method | Mechanical sub-surface cutting |
| Region | US Great Plains |
| Timing | Night and daytime operations |
| Operation | Autonomous robot swarm service |
| Pricing Model | Per-acre per-pass subscription |
| Deployment Status | commercial |
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Cheney, KS
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The automatic weeding robot market hit $2.6 billion in 2025 and is growing at 27.2% annually — the fastest rate in any agricultural technology segment. Laser-based systems eliminate 90%+ of herbicide use. The era of blanket chemical spraying is ending, and the farms that adapt first will have a structural cost advantage that compounds every season.
14 min readWeeding robots are the fastest-growing segment of agricultural robotics. These AI-powered machines identify and eliminate weeds with surgical precision, reducing herbicide use by up to 90% and eliminating the need for manual weeding crews.
9 min readInvesting in agricultural robots is a major decision. This guide breaks down exactly how to calculate your return on investment, from labor savings to yield improvements, so you can make a confident buying decision.
10 min readAre you the manufacturer?
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