Vision Engine

Telling deficiency apart from disease - the call people get wrong

A yellowing leaf could be hungry or sick, and the treatments pull in opposite directions. Agrofuze is built to separate the two, because guessing here wastes inputs and lets the real problem run.

The distinction

How the engine draws the line

Deficiency and disease leave different fingerprints, and the model is trained to weigh them against each other rather than in isolation.

  • Distribution - deficiency tends to be uniform and symmetrical; disease is often patchy and irregular.
  • Leaf age - which leaves are affected first is a strong tell between nutrients.
  • Pattern versus lesion - a smooth color shift reads differently from a defined lesion or spot.
  • Combined weighing - disease and deficiency signals are scored together, so the more likely cause wins with its confidence shown.
N deficiency
Yellowing
Scanning Maize leafConfidence 86%
83%
Health ScoreMostly healthy
Common deficiencies covered

The shortfalls the engine reads

Each deficiency carries its own visible signature, shown in the leaf it affects.

Nitrogen (N)

Uniform paling and yellowing that starts on the older, lower leaves first.

Potassium (K)

Scorching and browning along leaf margins while the center stays greener.

Phosphorus (P)

Dull, dark tone with purple or reddish tints on older foliage.

Magnesium (Mg)

Yellowing between the veins while the veins themselves stay green.

Iron (Fe)

Interveinal yellowing that shows on the youngest leaves first.

Calcium (Ca)

Distorted, hooked new growth and weak tissue at the leaf tips.

Confirmed the cause. Now what?

Once the engine separates deficiency from disease, it suggests a next step for the leading finding.

Treatment recommendations
Upload a leaf photo, or drag it here
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Live detection

Upload a leaf photo.
See what Agrofuze finds.

This is exactly what a farmer sees in the field, in seconds - the scan sweeps the image, marks what it detects, and returns a health score with the reasoning behind each finding.

1Run the scan to reveal the diagnosis panel.

Sample output shown for demonstration. Real scans run on your own photos after sign up.