Recently, the concept of integrated nutrient management towards better crop production has paved the way for sustainable horticulture. The basic principles lie in maintenance of soil fertility through judicious use of inorganic fertilizers and organic manures. Organic manures act potential sources of not only for macro nutrients but also micronutrients, but the quantity varies depending upon the nature, sources and extent of decomposition. Integrated nutrient supply system has become an accepted strategy to bring about improvement in soil fertility and protecting the environment. It involves...