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In the lecture that has been set on The Center of the Social Development in Qatif, The Agricultural Specialist Mahdi A-Sanabeer has presented The technique of the Hydroponics , & how it started & developed through different centeries.
As well show the audiance how to prepare the Nuterient solution.
Al-Sanabeer talked about some of the wrong conduct that some of the farmers are doing , like using pesticide during the prohbited period.
Also he mentioned the advantages for the hydroponics technique, & how it can provide the consumers & socity a ckean & healthy corp.