Originally Posted by JDUtah
... Fertilizers that provide nutrients in inorganic forms are called chemical fertilizers: those that derive from plant or animal residues are considered organic fertilizers. In both cases, plants absorb the nutrients primarily as inorganic ions...
This was a question that had come up in the past. Is an ion, an ion, is an ion? Is there such a thing as an 'organic ion' that is different from an 'inorganic ion?