What is a common method to manage competition from weeds culturally?

Crop rotation is a common cultural practice used to manage competition from weeds because it helps disrupt the life cycles of both weeds and pests. By alternating the types of crops grown in a particular area each season or year, the conditions that favor certain weed species can be altered. Different crops may have varying growth habits, root structures, and nutrient requirements, making it harder for any specific weed to thrive repeatedly in the same environment. This diversity can reduce weed pressure and support a more balanced ecosystem in the field.

In contrast, relying on high concentrations of herbicides is a chemical method that can lead to resistance problems and may not address the underlying issue of weed competition in a sustainable way. Neglecting soil health can exacerbate weed problems, as poor soil conditions often support weed growth, making it more difficult for crops to compete. Similarly, incorporating pesticides into each planting is another chemical approach that doesn't directly manage weeds culturally and may lead to increased resistance and environmental concerns. Thus, crop rotation stands out as an effective cultural practice to manage weed competition.