MDARD Michigan Core Pesticide Applicator Practice Exam

Why is proper agitation important during pesticide mixing?

1. To increase the volume of the pesticide

2. To maintain a uniform mixture

3. To reduce the application rate

4. To enhance the strength of the pesticide

The correct answer is: To maintain a uniform mixture

Proper agitation during pesticide mixing is crucial to maintain a uniform mixture. When pesticides are mixed, they can settle or separate if not properly agitated. This is particularly important because uneven mixing can lead to inconsistent application rates, causing some areas to receive too much pesticide while others might receive too little. Uniformity ensures that the pesticide works effectively, providing the intended pest control without harming the environment or causing damage to crops. Uniform mixtures also help in achieving the desired concentration of the active ingredient in the solution. If the mixture is not uniform, the result could be a higher concentration in some areas, leading to potential phytotoxicity or ineffective pest control. Therefore, proper agitation is essential for the efficacy of the pesticide and the safety of the environment and the crops being treated.