They also reduce wind and water erosion and help preserve the soil's organic matter.
(They; reduce; wind and water erosion) (They; help; preserve the soil's organic matter) Context(They help,List([0, 48))):(They; help preserve; the soil's organic matter)
They help,List([0, 48))
They They They
reduce help help preserve
wind and water erosion
preserve the soil's organic matter
the soil's organic matter