The Real Cost of Spraying Everything

By Curtis Garner

Curtis Garner is co-founder and COO of Verdant Robotics, the company behind SharpShooter™.

“The specialty crop industry allocates inputs, labor, and capital at the field level. The actual value creation happens at the plant level. That mismatch is the market.”

Why Does Broadcast Spraying Cost More Than the Input Bill Shows?

Most specialty crop operations are running three separate cost programs and treating them as one. There is the spray pass. There are the crews that follow it, treating everything the sprayer could not safely reach. And there is the crop risk that accumulates quietly in the background, showing up later in packout losses, quality variability, and residue concerns that nobody traces back to the spray program.

What makes this expensive is not just the individual spend. It is that the costs land in different budgets, in different seasons, and never get added up as a single number.

Broadcast waste. When you spray every inch of the bed, a meaningful amount of what leaves the nozzle lands on bare soil, not on weeds. Not on anything that needs treating. The application rate is set for the field, not for the actual target density. In most specialty operations, bare ground and off-target areas account for the majority of the treated surface. At the individual operation level, this is a recurring spend on spray coverage that yields no agronomic return. At the industry level, it is billions of dollars of capital allocated to empty ground every season.

Labor as a patch. Broadcast spray does not solve the in-row problem. Weeds between crop plants, under the canopy, in tight spacing — the sprayer passes over them. So crews follow. Hand weeding exists not as a primary strategy but as the fix for what mechanical application cannot reach. That means two cost centers covering the same ground: one broad and one manual, each adding cost, neither solving the underlying problem. And the labor side of that equation is getting harder every year. Hand crews are getting harder to source. Wage floors are moving up. H-2A uncertainty compounds the planning problem. The crews exist to patch a structural gap in the spray program, and the structural gap is not going away on its own.

Crop risk as invisible margin erosion. Broadcast application puts chemistry across the entire bed. That includes chemistry near young crop tissue, early in the season when tolerance is lowest, and the yield ceiling is being set. The results show up later: stress events, variability in uniformity, packout losses, and residue concerns that affect market access. None of those outcomes gets attributed back to the spray pass. They show up in yield reports, quality grades, and buyer relationships. The spray program that looks like a cost center is actually creating risk across the revenue line too.

These three layers do not sit independently. They compound. Labor costs are high in part because the spray program does not solve the in-row problem. Crop risk is elevated in part because the spray program treats everything to get the weeds. Every season the model runs, each layer makes the others worse.

The total cost is real. It just does not appear as a single line item.

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Why Has Precision Agriculture Not Fixed This Yet?

The specialty crop industry has spent years trying to make the spray pass more efficient. Better nozzles. Smarter timing. Reduced rates. These are all worthwhile optimizations. None of them changes the underlying structure.

The broadcast model allocates inputs at the field level. Decisions are made per acre, not per plant. Chemistry is applied across a surface, and weeds are treated as a coverage problem. That is the architecture that creates the cost compounding described above. Optimizing within it improves the numbers at the margin. It does not reset them.

The ag tech industry has also invested heavily in systems that can see. Sensors and cameras and machine vision that identify weeds in a field with high accuracy. That is real progress. But detection alone does not change economics. A system that can see every weed in a row and still applies chemistry across the entire bed has not reset the cost structure. It has improved the information layer without changing the action layer.

The real inflection point is the unit of action. Not the pass. Not the zone. The plant.

Detection does not create value. Precision action does.

When the unit of action shifts from field to plant, every cost equation above resets. Inputs go to confirmed targets, not to fields. Labor is not needed to patch coverage gaps that no longer exist. Crop risk drops because chemistry is placed where weeds are, not where crops are. The three layers stop compounding.

A system that aims before it applies does not ask how to make broadcast more efficient. It replaces the broadcast logic entirely, one plant at a time.

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How Does Plant-Level Precision Application Actually Work in the Field?

SharpShooter™ is the industry’s only precision application system that aims before it applies.

That is not a positioning line. It is a description of the mechanism. The system detects individual plants and weeds in real time, tracks each target as the implement moves through the field, and delivers micro-liter shots to confirmed targets only. There is no continuous spray. There is no blanket coverage. Every application is a discrete decision at the plant level.

The spray pass changes. Instead of treating the bed, the system treats the weeds in it. Inputs land on detected targets. Bare ground does not receive chemistry. In-row weeds that a broadcast pass cannot safely reach are treated directly. The operating logic is different from the ground up.

For thinning crops, a single pass does two jobs. In lettuce, carrots, beets, broccoli, cabbage and cantaloupe, thinning is often the highest single manual labor cost in the season. SharpShooter™ handles precision weeding and thinning in the same pass — replacing the two most expensive manual operations with plant-level accuracy and consistent spacing. One pass. One cost. Two problems solved.

The operating window expands. The system is designed for day and night operation with integrated lighting and machine vision. In many covered specialty row crops, the in-season operating window can run past 55 days from first irrigation, from just-emerged plants through post-cultivation, depending on crop and program. That window does not close when the sun goes down or when the crew is not available. The timing discipline that matters most in specialty crops is no longer hostage to crew scheduling.

Quality becomes independent of crew variability. A passing crew varies. Fatigue accumulates. Turnover resets institutional knowledge. The consistency that drives packout and market access does not scale reliably with headcount. A system that applies plant-level decisions at consistent parameters, every row, every pass, every operator, does not degrade with the variables that manual execution does.

The crop-protection controls are built into the execution layer. 3D Crop Shield creates a dynamic do-not-spray zone around each plant in real time, accounting for plant structure and canopy position. Crop Proximity Control gives operators a configurable safety radius around the crop center, with a tunable tradeoff between coverage and crop risk. Adaptive Aim and Apply automatically adjusts shot pattern size and volume based on target size and field conditions. These are not manual settings that require expert calibration at each field. They are operator-configurable controls running in the system on every shot.

None of this requires new field infrastructure or operational overhaul. The implement runs on a standard Category 2 three-point hitch. It transports on a standard gooseneck trailer. It integrates into the tractor fleet and field schedules that already exist.

The thesis from the previous section is not theoretical. It is running in commercial operations across more than 30 specialty crops.

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What Are the Actual Savings When You Switch to Plant-Level Precision?

The economics of plant-level precision are not incremental improvements on broadcast. They are a different cost structure.

Specialty crop operations using SharpShooter™ can deliver up to 99% herbicide savings, reduce manual labor costs by up to 85%, and achieve return on investment within 6 to 18 months, depending on crop mix and utilization.

Those are not three independent numbers. They are three cost levers pulling simultaneously.

Lower input spend is direct: inputs go to targets, not to fields. Reduced labor follows: when the system handles in-row weeding and thinning, the manual crews that exist to patch those gaps are redeployed or reduced. Consolidated passes compound both: fewer trips across the field means less fuel, less compaction, less crew-coordination overhead, and fewer separate scheduling windows. Each lever reinforces the others. The cost reduction is multiplicative, not additive.

Every season without plant-level precision is another season of paying full price for broadcast coverage and manual crews. A 6 to 18 month payback means the cost of adoption is recovered inside most operations’ planning horizons. The season you do not adopt is not a free season. It is a season where the three-layer compounding model continues to run at full cost.

From growers who have run the system commercially:

My T Acres, an 8,000-acre conventional vegetable operation in New York, reported a 75% reduction in hand weeding costs, a 90% decrease in herbicide usage, and approximately a 5% yield increase across crops, with a projected ROI of 24 months. These are operation-specific results.

VLV Ag in Somerton, Arizona reported approximately 50% labor cost reduction during full thinning operations, running approximately 50 acres per day at 14 hours during peak season. These are operation-specific results.

In a 2025 university trial with Rutgers and Cornell AgriTech on fall-seeded spinach, SharpShooter™ delivered equivalent weed control compared to broadcast, zero crop damage in trial conditions, a 155% yield increase at early harvest (40 days after planting), and a 67% yield increase at final harvest (70 days after planting). These results are specific to fall-seeded spinach in this 2025 trial at the stated harvest timings and should not be read as a universal yield claim across crops.

The pattern across these data points is consistent. Fewer inputs, less labor, better or equivalent weed control, protected crop, faster payback than expected. The unit economics work because the unit of action changed.

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Common Questions About Precision Application in Specialty Crops

How much can SharpShooter reduce herbicide use?

Specialty crop operations using SharpShooter™ can deliver up to 99% herbicide savings compared to broadcast programs. That figure reflects the difference between treating confirmed weed targets with micro-liter shots versus applying inputs across an entire bed. Results depend on crop, weed density, and program design.

Does precision weeding work for lettuce, cantaloupes, and other crops that need to be thinned?

Yes. SharpShooter™ is commercially validated across more than 30 specialty crops, including lettuce, carrots, beets, spinach, broccoli, cabbage, onions, celery, and cantaloupe. For thinning crops, the system handles precision weeding and thinning in a single pass, replacing the two highest manual labor costs in the season simultaneously.

How long does it take to see ROI on a precision application system?

For most specialty crop operations with sufficient utilization, ROI on SharpShooter™ is achievable within 6 to 18 months. The payback comes from three compounding sources: reduced herbicide spend, reduced manual labor costs by up to 85%, and consolidated passes that lower fuel, compaction, and crew-coordination overhead. My T Acres, an 8,000-acre vegetable operation in New York, projected ROI at 24 months — an operation-specific figure that reflects their crop mix and utilization.

How does SharpShooter protect crops while treating nearby weeds?

3D Crop Shield creates a dynamic do-not-spray zone around each plant in real time, accounting for plant structure and leaf position. Crop Proximity Control lets operators configure a safety radius around each crop center, tunable by crop stage and risk tolerance. The system withholds shots when detection confidence falls below defined thresholds. Operators work closer to the crop than broadcast methods allow, with less risk, not more.

Can the system run at night or in early morning when fields are damp?

Yes. SharpShooter™ is designed for day and night operation with integrated lighting and machine vision. Its lightweight frame supports earlier entry into damp fields. In many covered specialty row crops, the in-season operating window runs from emergence through canopy closure, depending on the crop and program. The operating window does not shrink when crews are unavailable or conditions make daytime fieldwork impractical.

What crops does SharpShooter support?

SharpShooter™ is currently validated across leafy greens (including romaine, spinach, and endive), brassicas (broccoli, cabbage, cauliflower, kale), root and bulb crops (carrots, beets, onions, leeks), fruit and vegetable crops (tomatoes, peppers, cucumbers, squash, green beans), herbs (basil, cilantro, parsley), seed crops (alfalfa, grass seed, vegetable seed crops), sod, and horticulture crops including roses. New crop models are delivered through over-the-air updates, so supported coverage expands without hardware changes.

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See What It Does on Your Acres

This is not a general case study. The question is whether it pencils on your operation, in your crops, at your scale.

We can walk through the numbers with you: your acres, your crops, your current labor baseline, your herbicide program, your tractor utilization. If the math works, you will know it before you commit to anything. If it does not, we will tell you that too.

If you are building the future of field-level agriculture and want to understand the platform, we should talk.