Removal of the litter, duff, and humus layer decreases the productivity of the soil because the decomposition of natural matter no longer provides essential nutrients to the soil.
(Removal of the litter, duff, and humus layer; decreases; the productivity of the soil; because the decomposition of natural matter no longer provides essential nutrients to the soil) (the decomposition of natural matter; no longer provides; essential nutrients; to the soil)
Removal of the litter, duff, and humus layer the decomposition of natural matter
decreases no longer provides
the productivity of the soil because the decomposition of natural matter no longer provides essential nutrients to the soil
essential nutrients to the soil