Controlled environment
Controlled environment means, with respect to those crops for which a controlled environment is required or expected to be provided, including but not limited to ornamental nursery, aquaculture (including ornamental fish), and floriculture, as applicable under the particular program, an environment in which everything that can practicably be controlled with structures, facilities, growing media (including but not limited to water, soil, or nutrients) by the producer, is in fact controlled by the producer.