What is not required on a PCA's recommendation?

The correct answer indicates that the number of pests is not a required element on a Pest Control Advisor's (PCA) recommendation. When a PCA provides recommendations, the crucial components focus on providing specific guidance that aids in the effective and safe use of pesticides. This includes the type of pesticide to be used, the application rate to ensure effectiveness while minimizing risk, and information on the target crop to ensure the recommended pesticide is suitable for the specific agricultural context.

The inclusion of the number of pests is not typically necessary in the recommendation process, as the PCA's main objective is to focus on the management and control of pest populations rather than quantifying their presence. Understanding the actual pest pressure may inform the PCA’s strategies, but stating an exact number is not generally mandated in the recommendation documentation. This allows for recommendations to be universally applicable regardless of individual pest counts, simplifying the advisory process while still maintaining efficacy.