Which technique is NOT considered a cultural control method in a right of way?

Cultural control methods are practices designed to manage pest populations or environmental impacts through changes in agricultural or land management practices rather than relying solely on chemical interventions.

Planting food crops is typically not considered a cultural control method in the context of maintaining a right of way. In a right of way, the primary objectives usually involve preventing obstructions to utility lines and managing the vegetation to reduce hazards. Planting food crops does not align with these goals, as it could introduce a variety of challenges, such as attracting wildlife or creating additional management needs.

Selective herbicide application and grinding roots of suckering tree species are focused on controlling undesirable vegetation that could interfere with utility operations. Relocating lines underground is a strategic choice that reduces potential damage from tree roots and minimizes the need for ongoing vegetation management above ground.

By understanding these aspects, it becomes clear that planting food crops does not serve the intended purpose of cultural control in a right of way setting, making it the correct answer for this question.