The fertilizers are absorbed by the roots of forest trees, are eventually incorporated into plant tissues, and are returned to the soil when the dead leaves, twigs, fruits and branches fall.
(The fertilizers; are absorbed; by the roots of forest trees) (The fertilizers; are incorporated; into plant tissues; T:eventually) (The fertilizers; are returned; to the soil) (the dead leaves, twigs, fruits and branches; fall; )
The fertilizers The fertilizers The fertilizers the dead leaves, twigs, fruits and branches
are absorbed are incorporated are returned fall
by the roots of forest trees
into plant tissues T:eventually
to the soil