Question

what do we call it when farmers regularly alternate the crops planted in an area? contour cropping crop rotation wind breaks agroforestry

Explanation:

Contour cropping involves planting along the contours of slopes to reduce soil erosion. Wind breaks are barriers (like rows of trees) to reduce wind impact. Agroforestry combines trees with crops or livestock. Crop rotation specifically refers to regularly alternating crops in an area to improve soil fertility, reduce pests/diseases, etc.

Answer:

crop rotation