How Urban Farming With Hydroponics Can Help Feed the World While Saving Water
The ability of Gotham Greens to use up to 95% less water than traditional farms do in producing some of its food ranks the company on the highest end of the spectrum of water conservation across the urban agriculture industry.
By Michael Stahl
Weather Channel
Oct 8, 2019
Excerpt:
In order for the world’s food producers to keep up with a growing population’s food demands, they’ll have to increase agricultural development one way or another. If the status quo is maintained, the required boost in agriculture production could generate a 15% uptick in freshwater use. But the earth’s supply of freshwater — about 70% of which is already utilized by global agriculture — is under threat, due in part to global warming. Higher temperatures create a host of problems for the world’s water system, including faster evaporation, the disappearance of inland glaciers that feed freshwater supplies, and more extreme weather events that contribute to greater freshwater runoff.
Advancements in hydroponic technology, however, have led to the development of recirculating hydroponic systems, which minimize water use by recycling unused irrigation water. Gotham Greens has such a system in its greenhouses.
“As water just continues to become a more scarce resource around the world,” Puri says, “we believe this form of agriculture is going to play a greater role in modern agricultural systems.”
Gotham Greens did not invent its closed irrigation system, but its approach is particularly efficient, Puri says. To help educate the public about innovative farming techniques, Puri’s company offers tours of its greenhouses, and has invested in urban agriculture education initiatives. Puri has also participated in panel discussions to educate the public about the positive impact that urban farming can have on the world, despite the increased competition his disclosures could bring to his business.
Read the complete article here.
Source: http://cityfarmer.info/how-urban-farming-with-hydroponics-can-help-feed-the-world-while-saving-water/
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