Drone Crop Spraying PH
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Drone or knapsack?

An honest comparison.

Spray drone flying above a flat green field during an aerial pesticide application training day
Photo: USDA Forest Service, R6 State & Private Forestry, Wikimedia Commons, Public domain
DroneKnapsackTractor
Time per hectare (IPB rice trial)About 0.6 hAbout 5.3 hNot measured
Spray volume (same trial)20 L/ha200 L/haNot measured
Sprayer exposurePilot at the edgeIn the spray cloudIn a cab
Tall cropsWorks from aboveVery hardDamages crop

Limits

  • Weather sensitive.
  • Small tanks mean frequent refills.
  • Not every product suits aerial use.

Sources

  1. Andryan et al. (2025), Comparison of pesticide manual spraying with drone application on rice, IOP Conf. Ser.: Earth Environ. Sci. 1528 012017

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