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https://vinascg.com/wp-content/uploads/2019/03/caycon-cai11.jpg700700 Some main information / features of the process / technology: Applying simple, cheap, suitable for small-scale production in Vietnam, contributing to providing clean food at home. Hydroponics means planting plants in solution without soil. Previously, this method was quite complicated, costly and often only those with experience and knowledge could do it. Now we ...