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2. 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]

3. 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 ...

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. Hydroponic dosers - Wikipedia

   en.wikipedia.org/wiki/Hydroponic_dosers

   When growing in hydroponics, the pH of the nutrient solution often drifts off target during use. The same is said for the amount of nutrients in the solution. These devices will automatically measure and adjust the solution as needed. By keeping TDS and pH levels in-range, plants grow efficiently, without health problems. Hydroponic dosers are ...

7. Hoagland solution - Wikipedia

   en.wikipedia.org/wiki/Hoagland_solution

   The Hoagland solution is a hydroponic nutrient solution that was newly developed by Hoagland and Snyder in 1933, [1] modified by Hoagland and Arnon in 1938, [2] and revised by Arnon in 1950. [3] It is one of the most popular standard solution compositions for growing plants , in the scientific world at least, with more than 20,000 citations ...