October 20, 2014
May 1, 2010
As far as I know there are no certification course. If you want to start a commerical project, I wouldnt worry about a course that gives a certificate. You need as much knowledge you can get before you start on your own. You can also hire a consultant.
Cost of a hydroponic unit depends on the system, area, crop.
please throw more light on those.
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