Zhang, Jinyang, Yutong Sun, and Pengxin Jin. “Current Situation and Improvement Suggestions of Cultivated Land Quality in Shaanxi Province”. Frontiers in Science and Engineering 3, no. 9 (September 21, 2023): 23–27. Accessed May 1, 2026. https://bcpublication.org/index.php/FSE/article/view/5656.