Part I, Concepts and Practices of Crop Rotation 1.
Crop rotations disrupt cycles of weed, insect, and disease pests.
The disruption of weed, insect and disease cycles is a well-known benefit of crop rotations. Rotating vegetables to avoid disease buildup is probably the most widely emphasized use of crop rotation in vegetable production. Many diseases build up in the soil when the same crop is grown in the same field year after year. Rotation can help break this cycle. To be effective, rotations must be carefully planned.