ndvi Articles

  • TrueNDVI vs. Synthetic NDVI Explained

    Not all NDVI is created equal Normalized difference vegetation index (NDVI) imagery products have become increasingly common in precision agriculture applications. More companies are offering NDVI and NDVI-like products, including “Synthetic NDVI” images from drone platforms. At Sentera, it is our mission to provide you only the most valuable crop health data, which ...


    By Sentera, LLC

  • Comparing RGB-based vegetation indices with NDVI for agricultural drone imagery

    Abstract Agribotix conducted a post hoc test of two vegetation indices, VARI and TGI, that used only the three visible-band signals from an unmodified CMOS camera. The results were compared to NDVI, which is generally considered to be a reliable measure of field health and the underlying RGB image. While the results are somewhat encouraging in limited cases, it is clear that neither VARI nor ...


    By Agribotix LLC

  • Northam Wheat Trial – NPK Reduction - Case Study

    First of a five year trial producing wheat at reduced rates of NPK (50% to 75%). At Northam in the central wheatbelt of Western Australia in 2013, wheat cv. Eradu was sown into a pasture paddock to evaluate the effects of various rates of fertiliser in combination with Hibrix BB. Agras fertiliser was banded below the seed at sowing at 0, 25, 51, 75 or 99 kg/ha whilst Hibrix BB was applied to half ...


    By NW Solutions

  • Taking the Guesswork Out of Precision Scouting Drones

    The Rise of Precision Scouting Drones A few weeks ago, I attended a summit at Louisiana State University regarding precision scouting drones and their application in agriculture. It was a wonderfully informational gathering of agronomists, producers, and a few lucky industry types like myself. Professors and agronomic experts from the LSU Extension Service presented their ...


    By Sentera, LLC

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