Fu, Guohai, Zonggeng Li, Wenke Liu, and Qichang Yang. 2018. “Improved Root Zone Temperature Buffer Capacity Enhancing Sweet Pepper Yield via Soil-Ridged Substrate-Embedded Cultivation in Solar Greenhouse”. International Journal of Agricultural and Biological Engineering 11 (2). Beijing, China:41-47. https://ijabe.org/index.php/ijabe/article/view/2679.