Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Examples of commercial or research hydroponic systems. (A) A small NFT system growing lettuce. (B) An indoor deep water culture system growing lettuce. (C) A tomato greenhouse using drip irrigation. (D) A close up of the drip irrigation system used in the tomato greenhouse. The tomato plants in this system are growing in rockwool cubes placed upon rockwool slabs.
