Integrated nutrient management in maize (Zea mays L.)

Abstract

Integrated nutrient supply/management (INM) aims at maintenance or adjustment of soil fertility and plant nutrient supply to an optimum level for sustaining the desired crop productivity through all possible sources of plant nutrients in an integrated manner which include; maintenance or enhancement in soil productivity through a balanced use of fertilizers combined with organic and biological sources of plant nutrients. Soil fertility maintenance requires a balanced application of inorganic and organic nutrient sources. Sustainable agricultural productivity might be achieved through a wise use of INM. Integrated use of chemical and organic fertilizer on yield and yield components of maize is very crucial for assurance of food security though improvement of the stock of plant nutrients in the soils and the rapid uptake of plant nutrients, thus, limiting losses to the environment thus reduce inorganic (fertilizer) input cost. Different kinds of organic materials such as FYM, animal manures, green manures, crop residues, composts, and industrial wastes have been used in maize systems. Hence an attempt has been made in this review to elaborate the effects of INM on various growth parameters, nutrient uptake and yield of maize based on the available literature.