S Y D N E Y H O , " A C R Y L I C P A I N T I N G # 3 "
alternative to consider . Vertical farming is extremely water efficient . Because indoor
vertical farming is done in a closed system , excess water is captured , filtered , and
recirculated to the plants . Also , because plants are grown on “ shelves ,” farmers can apply
water directly to the root zone with targeted irrigation so that none is wasted on the
plants ’ leaves , as it is in field farming . With several soil - free options available , plants can
absorb water even more directly in vertical farming , and farmers don ’ t have to waste water
for moisturizing soil . Farmers can irrigate their crops with much less water using
techniques including , but not limited to : hydroponics ( using a soilless medium to support
plants in gentle water current ), aeroponics ( misting suspended plant roots with nutrient -
infused water ), and aquaponics ( circulating fish waste to plant roots to include
fertilization ). For example , located in Newark , New Jersey , Aerofarms grows lettuce
vertically in a large warehouse using aeroponics . Their water usage is 95 % less than field
farming (“ Environmental Impact ”). With the predicted water shortage coming to the
western states , efficient water usage is mandatory to conserve our planet ’ s precious water
supply .
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