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2. An Underground Greenhouse Is the Secret to Year-Round ... - AOL

   www.aol.com/lifestyle/underground-greenhouse...

   The quality of your foundation will dictate the success of your underground greenhouse. “Some sort of retaining wall inside your structure is going to be necessary,” says Merriam, adding that ...

3. Controlled-environment agriculture - Wikipedia

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

   Currently, the greenhouse industry is the largest component of the CEA industry but another quickly growing segment is the vertical farming industry. Controlled Environment Agriculture has the ability to produce crops all year round, with the possibility of increased yield by adjusting the amount of carbon and nutrients the plants receive.

4. Micro-irrigation - Wikipedia

   en.wikipedia.org/wiki/Micro-irrigation

   Micro-irrigation, also called Micro-spray,localized, low-volume, low-flow, or trickle irrigation, is an irrigation method with lower water pressure and flow than a traditional sprinkler system. Low-volume irrigation is used in agriculture for row crops , orchards , and vineyards .

5. Sodium adsorption ratio - Wikipedia

   en.wikipedia.org/wiki/Sodium_adsorption_ratio

   The sodium adsorption ratio (SAR) is an irrigation water quality parameter used in the management of sodium-affected soils.It is an indicator of the suitability of water for use in agricultural irrigation, as determined from the concentrations of the main alkaline and earth alkaline cations present in the water.

6. Irrigation - Wikipedia

   en.wikipedia.org/wiki/Irrigation

   Micro-irrigation, sometimes called localized irrigation, low volume irrigation, or trickle irrigation is a system where water is distributed under low pressure through a piped network, in a pre-determined pattern, and applied as a small discharge to each plant or adjacent to it. Traditional drip irrigation use individual emitters, subsurface ...

7. Greenhouse - Wikipedia

   en.wikipedia.org/wiki/Greenhouse

   Experimentation with greenhouse design continued during the 17th century in Europe, as technology produced better glass and construction techniques improved. The greenhouse at the Palace of Versailles was an example of their size and elaborateness; it was more than 150 metres (490 ft) long, 13 metres (43 ft) wide, and 14 metres (46 ft) high.