What is a key reason to keep application equipment clean between uses?

• A. It is not necessary.
• B. It helps prevent cross contamination, ensures accurate rates, and improves performance.
• C. It only affects the appearance.
• D. It reduces the need for PPE.

Answer: (B)

Keeping application equipment clean between uses is essential because it prevents cross contamination, helps ensure the correct application rate, and maintains how well the spray system performs. If residues from a previous product remain in the hoses, tank, or nozzles, they can mix with the next product, potentially harming the crop, creating regulatory or residue issues, or altering the chemical’s effectiveness. Residue can also change the concentration being delivered, leading to under- or over-application. Additionally, dirt, leftover spray, and clogs can affect nozzle performance and spray patterns, causing uneven coverage and reduced efficacy. Regular cleaning minimizes these problems and supports safe, effective, and compliant spraying.