Planting trees on field boundaries can help in what?

Correct answer: Reducing soil and wind erosion

Trees planted along field boundaries can protect both soil and crops. Their roots help hold soil particles together, while trunks and foliage can slow moving wind and reduce the removal of topsoil. Vegetation may also reduce the speed of rainwater flowing across the field, helping limit water erosion. Depending on the species and management, boundary trees can provide shade, fuel, fodder, fruits, or timber, though excessive shade must be managed.

Option A is correct because reducing soil and wind erosion is a major protective benefit. Planting trees does not destroy seeds, cook crops, or turn farmland into a market. The practice can be related to agroforestry when trees are deliberately combined with crop or farm production. Thus, boundary planting supports conservation and may provide additional resources, while its exact benefits depend on suitable species and spacing.