Satellite · Public example
Tepoztlán: a healthy result with a trend worth monitoring
The one-hectare field scores 71.3/100 with full data coverage. The verdict is healthy, but the vegetation-index trend calls for a more careful reading. Score, time series and map each answer a different part of the question.
This is a real public example, not a generic client mission or a guarantee of results. Another site will not necessarily produce the same figures.
Key figures
- ›Score: 71.3/100 · healthy.
- ›Usable series: 11 of 12 months.
- ›Recent NDVI: 0.48.
- ›NDVI trend: −0.04/month.
- ›Recent NDRE: 0.29.
1. Keep weak signals visible in the aggregate
The result combines vigor, trend, stress/heterogeneity, climate, context and external risk. This composition prevents a good climate or context value from hiding a less favorable vegetation dynamic. The score prioritizes interpretation; it does not identify a cause.
Climate and context reach 90/100 and external risk 100/100, while vigor at 60/100 and trend at 55/100 explain why healthy does not mean no monitoring.
2. Separate current state from direction
NDVI describes observed photosynthetic vigor, while NDRE uses the red-edge band and can add sensitivity to chlorophyll change. Neither diagnoses disease, nitrogen deficiency or water stress on its own. A downward trend opens an investigation, not an automatic prescription.
The shaded band is the within-field p10–p90 spread, not a statistical confidence interval.
3. Use the map to decide where to inspect
Sentinel-2 composites are about 10 m per pixel. On a one-hectare parcel, each pixel represents a substantial share, and boundaries, mixed cover and polygon accuracy can influence the result. The map guides a visit or sampling; it does not replace agronomic observation.
What to check in the field
- ›Compare lower-index areas with moisture, irrigation, compaction, shade and actual cover.
- ›Review pest or disease symptoms and take leaf or soil tests when justified.
- ›Confirm crop, variety and growth stage present during each scene.
- ›Repeat the observation with the same polygon and record interventions to interpret change.
Context and limits of the case
The profile is generic, with deliberately broad ranges. Leptosol soil, 14.6% average slope, rainfall variability and protected-area context add context but do not prove the cause of the decline. Mean p90–p10 spread of 0.14 suggests relatively limited spatial heterogeneity without excluding small hotspots or temporal change.
The report helps decide where and when to investigate. It does not prescribe fertilizer, pesticide or irrigation without crop information and professional validation.
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Sources
Public PDFs sample-r2-agro-mx.{es,en,fr}.pdf, 24 pages, edition of 2026-07-16. ES figures from pages 2, 3 and 8; the page-8 figure was cropped without altering the two maps. An NDVI/NDRE change is never turned into a cause diagnosis or prescription; the crop profile is generic and thresholds are indicative.