Water at work

Hydroponics is a method of growing plants without soil; instead, nutrients are provided via a water-based system. It’s among the most feasible methods considered to deal with the growing concern for resource sustainability and food production in the future.

The roots grow either in air which is kept very humid; in water, which is well-aerated; or in some solid, non-soil medium, which is kept moist. The water around the roots contains a carefully balanced mixture of nutrients which provides food for the plant.

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