Why is guessing during mixing of pesticides discouraged?

Guessing during the mixing of pesticides is discouraged primarily because it increases the risk of misuse. Accurate mixing is crucial to ensure that the pesticide is effective while also minimizing potential harm to the environment, non-target organisms, and human health. When individuals guess the amounts to mix, they may inadvertently use the wrong concentrations, which could lead to ineffective pest control or, conversely, excessive toxicity.

Correct dosing is vital because each pesticide has specific application rates that are determined based on research and safety considerations. Misuse resulting from improper mixing can lead to regulatory violations and associated penalties. Additionally, it can cause serious health risks to applicators, the public, and wildlife. Therefore, precise measuring and adherence to label instructions are key components of responsible pesticide management.