The plants which show symptoms which develop due to deficiency of more than more nutrient are grown in different sets in water culture. Set one is given one of the several nutrients showing deficiency sympton. Set two is given another nutrients and set three is given yet another nutrient. In this way the different sets are grown in hydroponics by supplementing one of the different nutrients showning deficiency. The real deficeint mineral element, if supplimented in the medium, causes plant to grow under normal condition reverting the deficiency sympton.
