Planting trees helps ameliorate: soil erosion: tree roots bind the soil and reduce wind blow (saltation);
(tree roots; reduce; wind blow) (Planting trees; helps ameliorate; ) Context(Planting trees helps ameliorate,List([0, 31))):(tree roots; bind; the soil)
Planting trees helps ameliorate,List([0, 31))
tree roots Planting trees tree roots
reduce helps ameliorate bind
wind blow
the soil