AGTECH

Everything published under AGTECH.

Vegetation indices beyond NDVI: when to use NDRE, NDWI, SAVI, EVI and GCI

June 25, 20265 min read

NDVI is the starting point, not the answer to everything. This guide explains what each vegetation index measures, where NDVI saturates or misleads, and how to pick the right index for the crop and the agronomic question in Colombia.

Originally written in

Satellite monitoring of oil palm in Colombia: indices, alerts and costs

June 6, 20264 min read

How satellite monitoring detects stress, bud rot and yield drops in oil palm before the human eye can. Indices, resolution and costs for Colombia.

Originally written in

Why NDVI alone is no longer enough for crop monitoring

November 4, 20242 min read

Analysis of new satellite indices (MSAVI, GNDVI, OSAVI) and when to use each in Colombian crops.