A ‘Vegetation Index’ is a measurement of plant health that uses the ‘Near Infrared’ and the ‘Visible Light’ spectrums to detect a plants health and stresses, long before it can be seen by the naked eye (by which time irrecoverable damage to the plant may have occurred!). Ground moisture, field irrigation, weed counts, crop disease, Nitrogen levels and soil conditions can all be quickly analyzed with professionally collected vegetation indices data.

There are many indices that are used in plant analysis, NDVI, NDRE, GNDVI, OSAVI, GVI, PVI etc., and understanding what spectral measurements are required for a particular crop, at a specific time of the growth cycle (and in what light conditions and altitudes), is essential for the collection of accurate and reliable data for the farmer to make the right pro-active decisions for their crop management.

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