Technology

AI in Farming: How Data Helps Growers Decide

By Eri-Tech Global Ltd · Published November 2, 2026 · Last updated November 2, 2026 · 9 min read

A tractor working on a lush green field surrounded by rich greenery under a clear blue sky.
A tractor working in a green field.

AI in farming is not a robot taking over a farm. In most cases it is a set of tools that read measurements — photos of leaves, soil moisture readings, weather records — and turn them into advice a farmer can check in the field. A phone photo can point to a possible pest problem, a sensor can say one corner of a field is dry while the rest is fine, and a satellite image can show crop stress before it is easy to see from the ground.

That plain version matters, because much of the talk about farm technology skips the middle step: data has to be gathered, checked, and matched to local conditions before advice is worth acting on. Done well, AI in farming can help a grower use water, fertiliser and spray more carefully, catch problems earlier, and plan work with better timing. Done badly — with poor data, no signal, or advice built for a different climate — it can waste money and trust.

What AI in farming means

Precision agriculture is the older idea behind most of this work: not every part of a field needs the same treatment. One patch may be short of nitrogen, another may hold water after rain, and a third may carry more weeds. Measuring those differences lets a farmer treat each patch on its own terms.

AI adds pattern-finding to that idea. A computer vision system — software trained to recognise things in images — can be taught to tell a crop plant from a weed, or a healthy leaf from one showing signs of disease. The United States Department of Agriculture's Digital Agricultural Systems Hub, known as DASH, brings together images and sensor data from satellites, drones, field robots and farm equipment to map weeds and crop stress, using an image library of more than 50 terabytes of labelled crop and weed images to train its models.

The Food and Agriculture Organization of the United Nations (FAO) puts this work in a wider frame. Its 2022 State of Food and Agriculture report looks at agricultural automation — a range from tractors to artificial intelligence — through 27 case studies from around the world. Automation, it finds, can make food production more efficient and more environmentally friendly, and ease labour shortages — but uneven adoption can deepen inequalities, especially for small-scale producers, young people and women.

Seeing trouble early: crops, weeds and pests

The most useful farm AI today is often a second pair of eyes. A drone flying over a field takes photos that software can sort into areas to check first. A camera on farm equipment can map plants as the machine moves, and a satellite image can track drought over a wide area. In each case the farmer still walks the field and makes the call — the tool narrows down where to look.

DASH shows how this works in practice. Its ModCam system, a modular camera fitted to equipment such as spray booms, uses models trained on its image library to map plants in fields and research plots. The same platform is being used for precision nitrogen management with cover crops, for mapping weeds, and with sugar beet growers to map cercospora leaf spot, a disease, in Fargo, North Dakota.

Drone research tells a similar story. Researchers at the USDA Agricultural Research Service and Auburn University have been testing drones in row crops, pasture and specialty crop systems, gathering crop, pest and soil information and carrying out pesticide and cover crop work. One effort is working out how drone imagery can detect weeds in a cotton field, so herbicide is applied only when weed pressure justifies it.

The value here is timing. A pest or disease found a week earlier is often cheaper to deal with, and a weed map means spray goes where weeds are, not across the whole field. None of that removes the need for a farmer's judgement — a photo can be misread, and a model trained on one crop may not read another well.

A drone flying over a vibrant green crop field.
A drone flying over a crop field.

Water, fertiliser and timing: smaller doses, better placed

Water and fertiliser are two places where careful placement pays twice: the farmer spends less on inputs, and less runs off into soil and waterways. AI helps by joining up measurements that used to sit apart — soil moisture, weather forecasts, plant growth stage, and past yields — into a recommendation for a specific patch at a specific time.

Satellite monitoring is one part of that picture. FAO runs the Agricultural Stress Index System, which uses satellite imagery to monitor drought, and its next generation is set to integrate AI to improve accuracy and speed. On the ground, soil sensors can report moisture through the day, so irrigation can be timed to what the soil actually needs rather than to a fixed rota.

Small growers should ask of any tool that promises savings: savings compared with what, measured where? A result from a large, flat farm may not repeat on a small, hilly plot. The farm should shape the tool, not the other way round.

Advice on a phone: what changes for small farms

For many small farms, the most important AI tool will not be a drone or a sensor network. It will be a phone. FAO is working with Digital Green, a non-profit organisation, to bring AI-supported advisory services to farmers through mobile apps, with pilots in Ethiopia and more planned in Mozambique, using datasets built for local farming needs rather than general internet data. Farmers can ask about a crop problem and get advice shaped for their area, in local languages.

According to Digital Green, as reported by FAO, traditional advisory services could cost around $30 per farmer; digital tools brought that to $3, and with AI it could go as low as $0.30. Those are reported figures from the organisation running the service, not a promise for every farm — but they explain why advisory services are often the first AI tool to reach small farms.

Shared services point the same way. FAO's 2022 report describes hire-a-tractor services in Africa and Asia that let small farmers use costly equipment without buying it. The same logic now applies to drones and sensors: a farmer can hire a flight or a mapping service, rather than owning the equipment.

None of this works without the basics. FAO's innovation chief, Vincent Martin, names the obstacles plainly: access to quality local data, training for farmers, and a policy environment that supports new tools, plus responsible use so AI does not reinforce existing inequalities. A failed season can devastate a household — so a tool untried on farms like yours deserves a small trial first, on one field, for one season.

Where it still falls short

The honest limits of AI in farming are mostly not about the software. They are about signal, data, cost and trust.

Connectivity comes first. A joint FAO and International Telecommunication Union study of digital agriculture in 47 sub-Saharan African countries, published in 2022, found that about one-third of the region's population was still out of reach of mobile broadband signals, and only 28 percent had any access to the internet. Its authors called for urgent investment in last-mile connectivity and national digital agriculture strategies. A tool that needs a constant connection will not serve a farm that does not have one.

Data quality is the second limit. AI systems learn from examples, and examples from one region do not always transfer: a weed model trained in one country may misread weeds in another. FAO's innovation team says quality local data is essential, and is exploring how Farmer Field Schools — groups where farmers learn together in the field — can help gather it. Until then, advice is a suggestion to check, not a verdict.

Cost and skills follow. Sensors, drones and subscriptions add up, and a tool that needs digital skills its users have not been taught will sit unused. FAO's 2022 report notes that limited rural infrastructure, such as connectivity and electricity, holds back newer technologies in low- and middle-income countries. As early as 2005, Japan had more than 400 tractors per 1,000 hectares of arable land, compared with just 0.4 in Ghana.

There is also a jobs question, and FAO treats it with care. Its 2022 report concludes that fears about automation creating unemployment are not borne out by history, since automation tends to ease labour shortages. But it also notes that automation can lead to unemployment where rural labour is plentiful and wages are low, and that in those places policy should focus on social protection for the least skilled workers. The question for any farm community is not only "does this tool work?" but "who gains, and who loses work?"

A farmer standing in a sunflower field, holding a tablet.
A farmer checking advice on a tablet in a field.

Frequently asked questions

Does AI in farming replace the farmer?

No. The tools described here narrow down where to look, when to act, and how much to apply — but the farmer still walks the field, checks the plant, and makes the final call. A model can misread a photo, which is why researchers describe their systems as support for decisions, not replacements for them.

Can a small farm use these tools without buying a drone?

Yes, in many cases. Phone-based advisory services, hire-a-drone or mapping services, cooperatives and extension advisers all let a small farm use the result without owning the equipment. Start with the cheapest option that answers a real question on your farm.

How do I judge an AI farming tool before paying?

Ask four questions: has it been tested on farms like yours, in your climate and on your crops? Does it work with the connectivity you actually have? What does it cost per season, including any subscription? If the seller cannot answer those plainly, wait.

AI in farming is best understood as better measurement, not magic. Photos, sensors and weather data, checked against local knowledge, can help a grower find problems earlier and place inputs more carefully. The tools are strongest when they answer a specific question on a specific farm.

A practical next step is small: pick one recurring problem on your farm — a weed that returns each season, a patch that always dries first — and look for a tool that addresses that one problem, with evidence from farms like yours. Trial it on one field and compare the result with the field beside it. If you want help turning that trial into a simple system, Eri-Tech Global Ltd can help through its Solutions pages or the contact page.

What to watch next

Watch for advisory services built on local data — FAO's pilots in Ethiopia and Mozambique are testing exactly that — and for drone services sold by the visit, not by the machine.

Sources

  1. FAO — The State of Food and Agriculture 2022: Leveraging automation to transform agrifood systems — date checked: 2026-11-02 — https://www.fao.org/newsroom/detail/fao-state-of-food-and-agriculture--sofa-2022-automation-agrifood-systems/en
  2. FAO Newsroom — Interview with Vincent Martin, Director of the FAO Office of Innovation, on AI for farmers — date checked: 2026-11-02 — https://www.fao.org/newsroom/detail/ai-can-be-a-game-changing-solution-for-farmers--fao-innovation-chief/en
  3. USDA Agricultural Research Service — Building the Digital Infrastructure for Precision Agriculture for U.S. Farmers — date checked: 2026-11-02 — https://scientificdiscoveries.ars.usda.gov/tellus/stories/articles/building-digital-infrastructure-unlock-precision-agriculture-us-farmers
  4. Auburn University / USDA-ARS — USDA and Auburn University collaborate on drone, AI research — date checked: 2026-11-02 — https://wire.auburn.edu/content/agriculture/2026/04/drone-usda4-26.php?property=agriculture
  5. BusinessGhana (FAO release) — African agriculture's digital revolution: UN report pinpoints main obstacles and opportunities — date checked: 2026-11-02 — http://businessghana.com/site/news/General/258269/African-agriculture-s-digital-revolution-UN-report-pinpoints-main-obstacles-and-opportunities
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