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2. Intensive crop farming - Wikipedia

   en.wikipedia.org/wiki/Intensive_crop_farming

   The largest commercial hydroponics facility in the world is Eurofresh Farms in Willcox, Arizona, which sold more than 200 million pounds of tomatoes in 2007. [12] Eurofresh has 318 acres (1.3 km 2 ) under glass and represents about a third of the commercial hydroponic greenhouse area in the U.S. [ 13 ] Eurofresh does not consider their tomatoes ...

3. Kratky method - Wikipedia

   en.wikipedia.org/wiki/Kratky_method

   The Kratky method is a passive hydroponic technique for growing plants suspended above a reservoir of nutrient-rich water. [1] Because it is a non-circulating technique, no additional inputs of water or nutrients are needed after the original application, and no electricity, pumps, or water and oxygen circulation systems are required. [2]

4. Hydroponics - Wikipedia

   en.wikipedia.org/wiki/Hydroponics

   As of 2017, Canada had hundreds of acres of large-scale commercial hydroponic greenhouses, producing tomatoes, peppers and cucumbers. [36] Due to technological advancements within the industry and numerous economic factors, the global hydroponics market is forecast to grow from US$226.45 million in 2016 to US$724.87 million by 2023. [37] [needs ...

5. Controlled-environment agriculture - Wikipedia

   en.wikipedia.org/wiki/Controlled-environment...

   A 2020 U.S. survey found that typical indoor agriculture crops, per pound of crop yield, consumed between US$0.47 (for leafy greens) and US$1.38 (for microgreens) in inputs (especially seed, growing media, and nutrients) -- though tomatoes were reported at US$0.06 inputs per pound. Labor costs for container farms were reported at US$2.35 per pound.

6. Nutrient film technique - Wikipedia

   en.wikipedia.org/wiki/Nutrient_film_technique

   Plants placed into nutrient-rich water channels in an NFT system A home-built NFT hydroponic system. Nutrient film technique (NFT) is a hydroponic technique where in a very shallow stream of water containing all the dissolved nutrients required for plant growth is re-circulated past the bare roots of plants in a watertight gully, also known as channels.

7. Deep water culture - Wikipedia

   en.wikipedia.org/wiki/Deep_water_culture

   With proper management, a head of lettuce grown in ideal conditions in soil will grow as well as the same variety grown in a hydroponic system. [15] One advantage that DWC systems have over other forms of hydroponics is that plants may be re-spaced during the growth period, optimizing the growing area in regard to canopy cover and light-use. At ...