In a previous post I talked about vertical farming now I am going to talk about the 3 farming techniques of vertical farming . 1) hydroponics ( like weed) 2) aquaponics 3)aeroponics
From these three hydroponics is definitely the most common technique.
Hydroponics
Hydroponics is a type of horticulture and a subset of hydroculture which involves growing plants, usually crops or medicinal plants, without soil, by using water-based mineral nutrient solutions in aqueous solvents. Terrestrial or aquatic plants may grow with their roots exposed to the nutritious liquid or in addition, the roots may be mechanically supported by an inert medium such as perlite, gravel, or other substrates.
https://en.m.wikipedia.org/wiki/Hydroponics
Aquaponics
Aquaponics is a food production system that couples aquaculture (raising aquatic animals such as fish, crayfish, snails or prawns in tanks) with hydroponics (cultivating plants in water) whereby the nutrient-rich aquaculture water is fed to hydroponically grown plants.
https://en.m.wikipedia.org/wiki/Aquaponics
Aeroponics
Aeroponics is the process of growing plants in the air or mist environment without soil or an aggregate medium. The word "aeroponic" is derived from the Greek meanings of aer ("air") and ponos ("labour"). It is a subset of hydroponics, since water is used in aeroponics to transmit nutrients.
https://en.m.wikipedia.org/wiki/Aeroponics
All of the above techniques are trying to minimise the effect planting and farming have on the environment and of course solve the problem of limited farming land . Our population is growing in very high rate and so does the need for more food to feed the population. So the solution is to grow more with less water and nutrients in less land .
