SACE Stage 2 Agricultural Systems Practice Questions - SACE Stage 2 Agricultural Systems External Assessment Exam

How do thermal infrared sensors mounted on agricultural drones assist viticulturists in crop health assessment?

By measuring crop canopy temperature to detect stomatal closure caused by water stress By measuring the exact concentration of grape sugar (Brix) inside individual berries By spraying high-temperature steam to eradicate downy mildew spores on grapevine leaves By generating 3D topographical models of subsoil gravel strata down to 10 meters depth

Correct Answer:

By measuring crop canopy temperature to detect stomatal closure caused by water stress

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