Qi, Dongliang, Tiantian Hu, and Xue Song. 2020. “Effects of Nitrogen Supply Methods on Fate of Nitrogen in Maize under Alternate Partial Root-Zone Irrigation”. International Journal of Agricultural and Biological Engineering 13 (3):129-35. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/5287.