Three times each year, small lengths of tree stem are sold to nurseries, which use the buds to propagate new trees for farmers and backyard gardeners.
(small lengths of tree; stem; ) (Three times each year; are sold; to nurseries) (nurseries; use; the buds; to propagate new trees for farmers and backyard gardeners)
small lengths of tree Three times each year nurseries
stem are sold use
to nurseries
the buds to propagate new trees for farmers and backyard gardeners