Growing food using large scale aeroponics facilities means that we don't need to use all available tillable land for food production. Additionally aeroponics has many significant benefits over conventional farming methods:
Aeroponic units are enclosed in a controlled environment so they are not exposed to insects, bacteria, viruses, and animals on the surface, in the air, or in the soil, which eat, infect, or kill the plants, fruits, and vegetables.
Aeroponic units are enclosed in a controlled environment so they are not exposed to the outdoor elements. Floods, wind, snow, and extreme hot and cold temperatures cannot affect plants in an aeroponics unit. The temperature, light, and moisture levels in aeroponics units are carefully controlled for the optimum conditions for plants year round.
Plants in aeroponic units have a much greater yield than plants outside.
Traditional farming outside is subject to the environmental effects of weather and pests which can have an adverse effect on crops. Extreme weather can often cause wild swings in the availability of certain crops giving an unpredictable yield. In a controlled aeroponic facility, the yield amount and the date the crop will be available is known very precisely. This means that throughout the year the availability of all crops is known at all times.
The controlled environment in an aeroponics unit means that planting and harvesting is not determined by the season or the temperature or the available water or sunlight. Many plants are only planted and harvested outside once or twice a year whereas aeroponics plants can be planted and harvested 4 or 5 times per year. An aeroponics fruit or vegetable will never be "out of season".
Due to the unpredictability of rain, most modern farming uses some form of irrigation to water crops. Irrigation systems are extremely inefficient because only a small fraction of the water used finds its way to the plant roots. Worldwide water shortages are becoming a big problem for farms that depend on irrigation. Aeroponics units use a spray of a water/nutrient mix which is dispensed at timed intervals directly to the roots of the pants. This type of irrigation uses 1/10th to 1/20th the amount of water used in traditional farming.
Herbicides and pesticides cause a massive pollution problem and are responsible for destroying many ecosystems. Aeroponics doesn't require any chemicals to control pests and weeds because it is in a controlled environment.
Fertilizers are required for traditional farming. Like water, the application of fertilizers is extremely inefficient with only a small fraction of the amount applied finding its way to the plant roots. Aeroponics units spray nutrients directly on the roots of the plants.
Genetically Modified Organism (GMO)
GMOs are most often produced to try and stay ahead of nature as pests and extreme weather cause plants to die and have reduced yields, or to produce crops in regions which ordinarily would not be able to survive. Aeroponics units aren't affected by weather or pests so no GMOs are required for this.
Aeroponics plants produce fruits and vegetables which are perfect in shape and they do not have any blemishes caused by extreme weather or pests. Fruits and vegetables are clean when they are harvested and are not contaminated with soil and chemicals used in pesticides and herbicides. The skins of root vegetables typically contain the most nutritious part of the plant which we often discard before we eat them because they are usually spoiled from the effects of harsh soil and weather. However, the skins of root vegetables from aeroponic farming are in perfect condition so can be eaten for maximum nutrition. Fruits and vegetables grown in aeroponic facilities are also more flavorful than those from soil farming.
Over recent years the honey bee population in nature has been dramatically reduced. Nobody knows exactly why yet but the shortage of pollinators is causing major problems for farmers. Aeroponics units can have their own bee populations in the enclosed environment. This has the added advantage of producing honey as a byproduct of aeroponic farming.
Aeroponics is a simple concept. Seeds, water, nutrients, and electricity are used to produce plants, fruits, and vegetables, and the only waste produced is the dead plant material which can be composted and returned to the environment.
Aeroponics is a completely sterile environment. There is almost no chance that soil borne disease can attack the plant or transfer themselves to the fruit or the person consuming it. However, any food product that is grown outside with animal waste as its food source can easily be contaminated with deadly e-coli bacteria among other things.