Hydroponics is a subset of hydroculture, which is a method of growing plants without soil by instead using mineral nutrient solutions in a water solvent.
With hydroponics, the plants are grown in an inert growing medium and a balanced pH adjusted nutrient solution is delivered to the roots in a highly soluble form. This allows the plant to eat its food with very little effort as opposed to soil where the roots must search out the nutrients and extract them. This is true even when using rich, organic soil and top of the line nutrients. The energy expended by the roots in this process is energy better spent on vegetative growth and fruit and flower production.
If you grow two identical plants using soil for one and hydroponics for the other, you will almost immediately see the difference hydroponics makes. Faster and better growth and much greater yields are just some of the many reasons that hydroponics is being adapted around the world for commercial food production as well as a growing number of home, hobby gardeners.
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