Hydroponics

Hydroponics is the practice of growing plants in nutrient-enriched water—without soil. Although it has been used for over a century as a research technique, experiments to determine its feasibility for growing commercial crops were not conducted until 1929. Hydroponic home gardens and commercial operations now exist in many countries. Using hydroponics, plants can be grown closer together than in the field, and weed and pest problems can be almost eliminated. What are its disadvantages? Discuss


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