Ullah, Muhammad Arshad, Nazir Hussain, Helge Schmeisky, and Muhammad Rasheed. 2016. “Enhancing Soil Fertility through Intercropping, Inoculation and Fertilizer: Grass and Legumes Intercropping for Soil Fertility”. Biological Sciences - PJSIR 59 (1):1-5. https://doi.org/10.52763/PJSIR.BIOL.SCI.59.1.2016.1.5.