Wang, Tianyu, Zhenhua Wang, Qiang Wu, Jinzhu Zhang, Lishuang Quan, Bihang Fan, and Li Guo. 2021. “Coupling Effects of Water and Nitrogen on Photosynthetic Characteristics, Nitrogen Uptake, and Yield of Sunflower under Drip Irrigation in an Oasis”. International Journal of Agricultural and Biological Engineering 14 (5):130-41. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/6399.