Brown rings on the tomato leaves since Sunday's rain.
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Product · 12 oct 2026
Introducing Agronomist
The model family at the centre of DeepLeaf's food-systems infrastructure. It sees the crop, reasons over weather, soil and satellite, calls specialist tools, computes instead of guessing, and speaks in local languages and dialects.
- Model id
agronomist- By
- DeepLeaf
- Inputs
- Text, up to 4 photos, voice, video
- Channels
- App, WhatsApp, voice, API
The Agronomist app, with an example conversation.
Vision diagnosis
Crop first, then cause, then problem. Agronomist asks a follow-up question when a photo is not enough, and states its likelihood in words. Fungus, bacteria, virus, insect, nematode, nutrient or weather stress.
- 83
- Crops
- 359
- Pests
- 578
- Diseases
- 15
- Deficiencies
- 53
- Weeds
What is wrong with this plant?
Tomato
Early blightFungus
Alternaria solaniVery likelyNext actionRemove the lowest affected leaves today. Spray tomorrow between 06:00 and 10:00.
- confidence
- 91%
- path
- photo → leaf lesions → field history
This looks like early blight, most likely from the wet spell. Tomorrow morning is a good window to spray.
Extended reasoning
Agronomist thinks before answering. The reasoning stays folded so the reply stays short, and opens for anyone who wants to check it.
my tomato leaves have brown spots
Brown rings with a yellow halo, lower canopy first. Field is day 41, 18 mm of rain in three days.
Consistent with early blight. Need registered products before naming any.
Likely early blight (Alternaria solani). Remove the lowest leaves today and spray tomorrow 06:00 to 10:00 with a product on the national register.
Where farmers already are
The same conversation continues from WhatsApp to the app to a voice call. Same farmer, same fields, same memory.
- Managed WhatsApp
- DeepLeaf runs the number. Farmers message it like a neighbour.
- API relay
- Your bot, your number. Point your OpenAI client at Agronomist.
- White-label
- On your domain, under your brand, with your price list.
- Morning briefing
- At 06:00: health, problem areas, spray window, next action.
Real-time voice and video
- Barge-in: the farmer can interrupt, and Agronomist stops and listens.
- Backchannel: short acknowledgements while the farmer is still talking.
- Switch fields by voice: “now the olive grove”.
- Video: point the camera at the crop during the call.
Tool use over Earth observation
Health map, satellite zones, 16-day hourly weather, rain so far, growing degree days and soil, for the field in question.
my tomato leaves have brown spots
Brown rings with a yellow halo, lower canopy first. Field is day 41, 18 mm of rain in three days.
Consistent with early blight. Need registered products before naming any.
- Input
{"hours": 72}- Output
- 18 mm rain over 3 days. Dry 06:00 to 12:00 tomorrow, wind 5 to 8 km/h.
Likely early blight (Alternaria solani). Remove the lowest leaves today and spray tomorrow 06:00 to 10:00 with a product on the national register.
- Zone 1 · Vigorous (NDVI 0.71)1.1 ha
- Zone 2 · Moderate (NDVI 0.52)0.9 ha
- Zone 3 · Stressed (NDVI 0.31)Low vigour since the last irrigation0.4 ha
Zone 3 has lagged since the last irrigation. Worth a walk before you spray.
Agronomic compute
Tank fills, spray hours and crop stage are computed from the label, the sprayer and the forecast. They are never recalled from memory.
When can I spray the tomatoes this week?
Best window tomorrow 06:00 to 10:00. Rain likely from 14:00.
- Wind
- 5 to 8 km/h until 10:00
- Rain
- 40% from 14:00, 6 mm
- Delta T
- 3.1 °C at 08:00
Next days
weather.forecast · hourly12 Oct, 05:40- Tue 13Good06:00–10:00
- Wed 14AvoidRain
- Thu 15Fair07:00–09:00
Spray tomorrow morning. Wednesday is out because of the rain.
2 fills · 360 L per fill · 1.8 L per fill
| Zone | Fill | Water (L) | Product (L) |
|---|---|---|---|
| 1 | 1 | 330 | 1.65 |
| 2 | 1–2 | 270 | 1.35 |
| 3 | 2 | 120 | 0.6 |
- Dose
- 1.5 L/haproduct label2026-09-30
- PHI
- 3 days
- REI
- 24 h
- Drift
- 7 of 8 hours suitable
Spray window
Not simulatedcompute_tank_fills12 Oct, 06:20- Tue 13Good06:00–10:00
Demo data shown for illustration.
Planning
- Season plans
- Simulated against the field's forecast and crop stage before they are shown.
- Guided Procedures
- Step-by-step protocols the farmer can follow and tick off, from a curated library.
Memory
Each farmer gets an individual knowledge base: fields, crops, sprayer, products in the shed. A photo of a product label fills it in.
Languages
Including Darija, Derja, Kiswahili, Hausa, Yoruba, Igbo, Ewe and Setswana. Arabic and Darija read right to left, in the app and on this site.
- English (English)
- Français (French)
- Español (Spanish)
- Português (Portuguese)
- العربية (Arabic)
- الدارجة المغربية (Moroccan Darija)
الطماطم ديالي فيها بقع كحلين فالورق من بعد الشتا.
هادشي كيبان بحال الميلديو. صيفط ليا تصويرة من تحت الورقة باش نتأكد.