Discussion
Which of the following is used for precision agriculture ?
Answer: D
The answer is All of these.
Precision agriculture manages variation within a field by applying the right input, at the right rate, at the right place and time. GIS stores and analyses the spatial data, such as soil maps and yield maps. GreenSeeker is a hand-held or tractor-mounted optical sensor that reads crop NDVI and guides variable-rate nitrogen application. Drones capture high-resolution images for crop scouting and are also used to spray inputs on targeted spots.
All three are standard precision agriculture tools, so no single option is complete on its own.
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