A good way to conserve land is to use aquaponics or hydroponics. Hydroponics: a technique of growing plants (without soil) in water containing dissolved nutrients (wordnetweb.princeton.edu/perl/webwn) and Aquponics are the symbiotic cultivation of plants and aquatic animals in a recirculating environment.
(en.wikipedia.org/wiki/Aquaponics)
Its really a wonderful Blog. With LED grow lamps there’s no possibility of heat harm to new plants because LEDs produce very little heat.
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