Farooq, Muhammad, Muhammad Bakhtiar, William Tchabo, Wu Meng, Aman Ullah, Abdul Saboor, Naila Ilyas, Nazira Fatima, & Shengmei Ma. " Effect of mulch type, mulch size and nitrogen levels on wheat production." African Journal of Food and Integrated Agriculture [Online], 1.1 (2018): 15-22. Web. 6 Mar. 2021