8 Anonymous In: Question-Answer What is NOT needed in hydroponic farming? 8 What is NOT needed in hydroponic farming? Oxygen Water Minerals Soil 1 Answer Voted Oldest Recent Random Best Answer Goto 2021-10-02T05:25:17+00:00Added an answer on October 2, 2021 at 5:25 am The correct answer is Soil. 4 Reply Share Share Share on Facebook Share on Twitter Share on WhatsApp Leave an answerLeave an answerCancel reply Featured image Select file Browse Click on image to update the captcha. Save my name, email, and website in this browser for the next time I comment.