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US (IL): ACES International Seminar educates on vertical farming

As part of the Illinois-National Taiwan University Global Issues Forum, the ACES Office of International Programs sponsored a seminar on vertical farming presented by Dr. Wei Fang.

Dr. Fang is a professor in the Department of Bio-Industrial Mechatronics Engineering and Director of the Center of Excellence for Controlled Environment Agriculture at National Taiwan University. He has worked on vertical farming methods for nearly three decades.

Vertical farming techniques, also known as plant factories with artificial lighting (PFAL), smart farms, urban farms, and by many other terms, are closed plant production systems that use artificial lighting and the least amount of resources possible.

He opened his entertaining and informative presentation with an amusing truth:

“People ask me if playing music helps plants. That I don’t know. But I do know that plant factories welcome human visitors, and it does help the plants if you talk gently to them. Because you provide them CO2.”

For the past three decades Fang has been asking himself the same question:

“Can PFAL make us richer, smarter, greener, healthier, happier?”

For many years he answered NO to this question. As detailed in the presentation, he had to wait many years for more advanced and affordable LED technology and for industries to accept and support these methods.

But now, Fang says PFALs are a great option in areas where land is limited or very expensive and/or other resources are scarce.

In Taiwan, this industry has grown exponentially. In 1993, one company was involved and by 2015, more than 100 companies are involved. The country has been able to increase its vegetable consumption per person/per day thanks to PFAL techniques.

Besides edible vegetable production, Fang showed many other business models supported by vertical farming in his country, including for edible flowers, cosmetics and soaps, vegetable powders, and even interior design with vertical plant walls.

He and others have done much work to improve vertical farming techniques and to quantify different techniques.

Their work is ongoing for even better quantitative measures and ideal spectra of LED tubes, but Fang, as he detailed in his presentation, can finally answer:

YES – Vertical farming can make Taiwan (and hopefully other areas of the world) richer, smarter, greener, healthier, and happier.

Source: University of Illinois
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