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The difference between them is how the plants get their nutrients. There are two general ways to substitute for soil in hydroponic gardening. Soil not only stores and releases nutrients and water. In general, hydroponic gardens require only about 20% of the overall space used in traditional gardening. This allows you to grow more plants in the same amount of space than you would in a traditional garden. Since root systems are not expanding to find food, plants have smaller root systems. These solutions replace soil in hydroponics. Roots will not grow out to search for nutrients because plants can find them easily and directly in the growing mediums and nutrient solutions. Hydroponics cut down how much space a plant needs. This causes their root systems to become very large. Plants growing in soil need a lot of space because their root systems have to search the soil for water and nutrients. Hydroponic gardening is becoming popular because you can grow a lot of plants in small spaces you do not need a large water supply and you do not even need soil. You can grow almost everything that you would in a traditional garden by using different hydroponic techniques. If you are interested in growing a hydroponic garden, you are not limited to fungus and moss. Plants growing hydroponically are seen in nature, such as moss growing on a rock or fungus growing on a tree trunk.
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Hydroponics (hydro-ponic) simply means growing plants without soil.
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