The kit consists of a plant culture medium which contains all the elements required by the plant as well as a range of mixtures which are deficient in one element only. These media are provided in powder form and are simply added to water before use. A clear demonstration of deficiency diseases can be given by growing seedlings or cuttings in the various solutions, following the full experimental details which are supplied. The Plant Culture Kit contains:. 5 x pots of Plant Culture Medium. 8 x pots of Sach's Water Culture Medium (Complete, and lacking in Calcium, Magnesium, Potassium, Nitrogen, Phosphorus, Iron & Sulfur).
