Drones could be quite useful in civilian application. In Northern California, 3D Robotics company helps winemaker Paul Sloan to gather aerial images to solve issues like irrigation leaks, color variation, or pests like nematodes.
DRNK Wines, a vineyard located in Sebastolpol, California, used too civilian drones to make a comprehensive map of the vineyard with aerial pictures.
Without drones, walking the field is the only way to know how culture evolves. In many cases, it means walking every day!