Hydroponics is the process of growing plants without soil. Clay pellets, gravel, liquids, and even air are commonly used grow mediums for hydroponic set ups. An indoor hydroponic garden has several advantages over outdoor soil based gardens. You have greater control of the amounts and types of nutrients your plants receive, plants grown using this technique yield bigger crops in smaller spaces than traditional gardens, and with artificial lightning you can extend your growing season.
Growing hydroponically has almost no environmental impact as there is no risk of fertilizer run off, and since most growing is done indoors animal habitats are preserved. Also, these gardens grow considerably faster than soil based gardens. Finally, hydroponic systems can be mostly automated, so when the whole system is set up maintaining it takes minimal effort.
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