A thermal sweep surfaces plugged emitters, pivot shadows and the low corner that goes under every wet April.
Water problems and disease problems look identical from the road and behave nothing alike. Thermal separates them in one pass, and it does it before the canopy closes over the evidence.
Flown at first light, when the delta between wet ground and dry ground is at its widest.
What the contract covers
Plugged emitters and pivot shadows found before the crop shows it
Standing water under a closed canopy located to the metre