![]() ![]() ![]() It was said to have been built in the ancient city of Babylon, near present-day Hillah, Babil province, in Iraq on the banks of river Euphrates.The Hanging Gardens of Babylon were in fact an elaborate hydroponics system, into which fresh water rich in oxygen and nutrients was regularly pumped.It started in the ancient city of Babylon with its famous hanging gardens, which are listed as one of the Seven Wonders of the Ancient World.Hydroponics has a long history, from growing in very ancient civilizations to raising high value products in controlled situations.Hydroponics is the art of cultivation of plants without using soil.If water and other nutrients are provided to plants by some other alternative, they can grow without soil altogether.This is why soil is necessary for growth of plants. ![]() Water and other nutrients required for the above process is obtained from soil.In photosynthesis plants use sunlight and a chlorophyll to convert carbon dioxide and water into glucose and oxygen.Plants grow through a process called photosynthesis.UPSC Geo Scientist Eligibility Criteria.UPSC EPFO Previous Year Question Papers. ![]()
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