Effect of NPK Fertilization Strategies on Growth, Yield, Nutrient Use Efficiency and Economic Benefits of Relay Intercropped Wheat in Cotton

Abstract

I cotton-wheat cropping system, the food security is ensured altogether with economics by supplying wheat which is used as staple food in many countries of world and export earnings attained from cotton. It ensures higher total output because it fulfills necessities of the farmers to produce cotton as profitable cash crop and wheat as food crop to assure food supply (Smith and Varvil, 1982; Zhang et al., 2007, 2008a).