The _____________ section of a pesticide label is the best place to look for information on waiting periods to minimize problems from herbicide persistence.

• A. Directions for use
• B. Crop rotational restrictions
• C. Environmental hazards
• D. Agricultural use section

Answer: (B)

Waiting periods after pesticide application to prevent injury from soil-persistent residues are found in the crop rotation restrictions section. This part of the label tells you how long to wait before planting a different crop, especially when the herbicide can linger in the soil and affect sensitive rotations. Other sections, like directions for use, focus on how to apply the product (rates, timing, PPE), and environmental hazards or general use restrictions cover safety and broad limits, but they don’t specify the crop-specific waiting intervals. So the best place to look for the persistence-related waiting period is the crop rotation restrictions section.