What precaution should be taken when applying pesticides near water sources?

Establishing a buffer zone is crucial when applying pesticides near water sources. A buffer zone is an area of vegetation or undisturbed land that serves as a protective barrier between the application site and the water source. This precaution helps prevent pesticide runoff, which could contaminate the water and harm aquatic life, disrupt ecosystems, and lead to water quality issues.

The buffer zone acts to filter out excess chemicals before they reach the water, providing a safe barrier to absorb any potential spills or drifts. It is also essential in compliance with environmental regulations that aim to safeguard water bodies from pesticide contamination. Such standards are in place to protect both human and ecosystem health, making the establishment of sufficient buffer zones a key practice in responsible pesticide application.