Vertical farm of hydroponics or aeroponics?

                                         

The vertical farm of hydroponics and aeroponics is a world-changing innovation whose time has come. A blueprint for securing the world’s food supply and at the same time solving one of the gravest environmental crises facing us today.

Imagine a world where every town has their own local food source, grown in the safest way possible, where no drop of water or particle of light is wasted, and where a simple elevator ride can transport you to nature’s grocery store – imagine the world of the vertical pyramid farm.

When Columbia professor Dickson Despommier set out to solve America's food, water, and energy crises, he didn't just think big - he thought up.The vertical farm, has excited scientists, architects, and politicians around the globe. Vertical farms will allow us to:

• Grow food 24 hours a day, 365 days a year
• Protect crops from unpredictable and harmful weather
• Re-use water collected from the indoor environment
• Provide jobs for residents
• Eliminate use of pesticides, fertilizers, or herbicides
• Drastically reduce dependence on fossil fuels
• Prevent crop loss due to shipping or storage
• Stop agricultural runoff

                                  
Vertical farms can be built in abandoned buildings and on deserted lots, transforming our cities into urban landscapes which will provide fresh food grown and harvested just around the corner. Possibly the most important aspect of vertical farms is that they can be built by nations with little or no arable land, transforming nations which are currently unable to farm into top food producers.

For those of you not familiar with hydroponics and aeroponics, I will leave you with a short discussion their differences.  Aeroponics is essentially a system in which roots are suspended in the air, and a mist of nutrient-rich solution is sprayed on the roots.  This system is also entirely enclosed to keep a high level of humidity which prevents the roots from drying out.  A hydroponic system allows the roots to be submerged in the nutrient-rich solution which usually has an air stone to provide fresh oxygen to the roots.  So the main difference is the availability of oxygen to the roots.  Aeroponics has greater availability of oxygen than hydroponics.


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