Xu, Hongwen, Yan Lu, and Zhiming Xie. “EFFECTS OF SILICON ON MAIZE PHOTOSYNTHESIS AND GRAIN YIELD IN BLACK SOILS”. Emirates Journal of Food and Agriculture 28, no. 11 (October 24, 2016): 779–785. Accessed October 9, 2025. https://www.ejfa.me/index.php/journal/article/view/1338.