Lots of indoor farms are shutting down as their businesses struggle. So why are more being built?
Advocates say growing indoors uses less water and land
By Melina Walling and Kendria Lafleur
NBC
September 18, 2023
Excerpt:
Tom Kimmerer, a plant physiologist who taught at the University of Kentucky, has tracked indoor farming alongside his research into the growth of plants both outdoors and inside. He said his first thought on vertical farm startups — especially those heavily reliant on artificial light — was, “Boy, this is a dumb idea” — mainly due to high energy costs.
The industry has acknowledged those high costs. Some companies are seeking to push those down by relying on solar, which they say also supports sustainability. Even the ones most heavily reliant on artificial light that doesn’t come from renewables maintain they can be profitable by eventually producing a high volume of produce year-round.
But Kimmerer thinks there are better ways to provide food locally and extend the growing season — outdoors. He pointed to the organic farmstand-oriented Elmwood Stock Farm outside Lexington, Kentucky, which can grow tomatoes and greens the whole year using tools like high tunnels, also known as hoop houses — greenhouse-like arches that shelter crops while still being partially open to the outdoors.
He thinks investment flowing toward new versions of indoor farming would be better spent on practical solutions for outdoor farmers like weed-zapping robots, or even climate solutions like subsidizing farmers to adopt regenerative practices.
Moving farming indoors can solve some pest problems, but create new ones. Without their natural outdoor predators, tinier creatures like aphids, thrips and spider mites can become very difficult to control if not managed aggressively, said Hannah Burrack, an ecologist who specializes in pest management at Michigan State University.
Read the complete article here.
Source: https://cityfarmer.info/lots-of-indoor-farms-are-shutting-down-as-their-businesses-struggle-so-why-are-more-being-built/
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