It is very difficult to cultivate a normal agricultural soil in such a way that its nutrients may be readily avalilable in the quantities required by the plants.

Even if it is properly fertilized, the nutrients contained in the soil are leached away by rainwater or by irrigation, to the uncultivated areas, under the soil, and even to underground water beds.

The effects of water on soils not only cause it to loose enormous quantities of fertilizers, but also unbalances its chemical makeup.

In addition, soil doesn't exist solely for plants;  it also provides the habitat for innumerable species of minute organisms such as larvae, insects, and millions of saprofitic and pathogenic bacteria.

Larvae and insects also leave the soil, and install themselves on crops to feed off them, thus often devastating an entire harvest.

Bacteria do likewise, feeding off of crops directly or indirectly.

Saprofitic bacteria feed off of dead animals and plants, small and large, that constitute organic matter, decomposig it into mineral, organic-mineral or purely organic salts that can be dissolved and ionised in water, and which are generally not considered as being a health risk to man.

However, pathogenic bacteria feed off organic matter of live animals and plants, and constitute the larger number of illnesses that affect humans and other beings, including plants.

Fortunately, however, Nature maintains a perfect balance among living beings.

In this state of equilibrium, pathogenic bacteria are a minority and are dominated by the majority of saprofitic bacteria.

Whenever this balance is disrupted, pathogenic bacteria may get the upper hand causing diseases not always easily treated by modern medicine.

Sadly, human activities, more often than not, disrupt Nature’s equilibrium.

Unfortunately, humans are expert in provoking such disruptions in Nature’s balance.

In hydroponics, crops are not in physical contact with the soil, thus being free of larvae, insects and bacteria derived from it, resulting in high quality crops for human consumption.

On the other hand, the nutrients fed to the plants via water, will always be perfectly balanced, free from the effects of rain and irrigation, and in the exact quantities required, avoiding waste of fertilizers, so common in conventional farming.

As a result of this, crops grown in very clean surroundings, with the ideal sugar, vitamin and protein content, always produce higher yelds than those under soil culture.

Hydroponic plants and fruits are harvested clean and ready to be consumed, although it is advisable to sterilise them due to handling from time of harvest.

Due to the fact that hydroponic plants are very clean and healthy, their post harvest shelf life is ten to twenty times longer than soil tilled crops.

Many plants, as is the case of lettuce, are supplied to the consumer with their root system intact and therefore can be left in a basin full of water for fresh consumption.

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