Bo, Li, Wang Tieliang, and Sun Jian. “Crop Water Stress Index for off-Season Greenhouse Green Peppers in Liaoning, China”. International Journal of Agricultural and Biological Engineering 7, no. 3 (June 25, 2014): 28–35. Accessed January 27, 2026. https://ijabe.org/index.php/ijabe/article/view/1265.