Plant nutrients and protection products are very much essential to keep the gardens in a good condition and healthy. NPK is primarily composed of three main elements: Nitrogen (N), Phosphorus (P) and Potassium (K) each of these being essential in plant nutrition. Nitrogen, Phosphorus and Potassium are largely responsible for growth of a) leaves, b) root, stem & overall growth and c) flower and fruits function of the plant respectively.