Which practice is NOT recommended for pesticide application?

Ignoring weather conditions is not recommended for pesticide application because weather plays a crucial role in determining how effective and safe the application will be. Wind speed and direction, temperature, humidity, and precipitation can all affect the dispersion and absorption of pesticides. For instance, applying pesticides on windy days can lead to drift, where the chemicals move away from the target area, potentially harming non-target plants, animals, or even people. Additionally, applying pesticides just before rain can lead to runoff, decreasing effectiveness and increasing environmental contamination.

In contrast, using a calibrated sprayer, following legal regulations, and wearing safety equipment are all best practices that enhance the effectiveness and safety of pesticide applications. A calibrated sprayer ensures that the correct amount of pesticide is applied, legal regulations provide guidelines to protect both human health and the environment, and safety equipment protects the applicator from harmful exposure. Therefore, ignoring weather conditions stands out as a detrimental practice in the context of pesticide application.