Unlike sodium, potassium is a plant nutrient, so the waste from the new process could be put to work as crop fertilizer.
(the waste from the new process; to work; as crop fertilizer) (the waste from the new process; could be put; to work as crop fertilizer) Context(the waste from the new process could be put,List([49, 92))):(potassium; is; a plant nutrient)
the waste from the new process could be put,List([49, 92))
the waste from the new process the waste from the new process potassium
to work could be put is
as crop fertilizer
to work as crop fertilizer
a plant nutrient