Niu, Yan, Shenglan Ye, Lu Zhang, and Xinkun Song. “Research Status of Cultivated Land Quality Evaluation in Shaanxi Province”. International Journal of Agriculture and Food Sciences Research 3, no. 2 (June 15, 2025): 6–11. Accessed April 30, 2026. https://wepub.org/index.php/IJAFSR/article/view/5399.