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NDVI vs RGB cameras for early disease detection - worth the upgrade?

  • Members

Currently running a basic setup with standard RGB cameras for crop scouting, but considering upgrading to multispectral NDVI for better disease detection capabilities. The price jump is significant - around $8K more for a decent NDVI sensor package.

For those using NDVI sensors: are you actually catching diseases 2-3 weeks earlier than visual scouting? How's the data processing workflow - do you need specialized software or can existing farm management systems handle the multispectral data?

Main crops are soybeans and wheat, dealing with typical fungal issues like septoria and rust.

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  • drone_master_42
    drone_master_42

    NDVI absolutely catches stress earlier than RGB, but "2-3 weeks" is marketing fluff. Realistically, you might gain 5-10 days on disease detection, which can be critical during rapid infection periods.

  • quad_tech_guru
    quad_tech_guru

    Been using NDVI for three seasons now. Processing workflow is the biggest pain point - you need software that can handle the spectral analysis, and most farm management systems just display pretty pic

  • drone_hobbyist_2024
    drone_hobbyist_2024

    Honestly, for $8K you could hire a crop consultant to scout your fields manually for several seasons. NDVI is cool tech but the ROI math is questionable unless you're running thousands of acres. RGB c

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  • Members

NDVI absolutely catches stress earlier than RGB, but "2-3 weeks" is marketing fluff. Realistically, you might gain 5-10 days on disease detection, which can be critical during rapid infection periods.

The real value is in variable rate applications - you can target fungicide exactly where needed instead of blanket spraying.

  • Members

Been using NDVI for three seasons now. Processing workflow is the biggest pain point - you need software that can handle the spectral analysis, and most farm management systems just display pretty pictures without actionable insights.

I use Pix4D for processing and export prescription maps to my sprayer. Worth it on 500+ acres, probably not on smaller operations.

  • Members

Honestly, for $8K you could hire a crop consultant to scout your fields manually for several seasons. NDVI is cool tech but the ROI math is questionable unless you're running thousands of acres.

RGB cameras with good resolution often show color changes that indicate stress before you need expensive sensors.

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