Shen, Bao Guo, Jin Yue Dai, Xiao Dong Zhang, and Zhao Hui Duan. “Nondestructive Testing of Lettuce Nitrogen Stress Based on Multidimensional Image”. JOURNAL OF ADVANCES IN AGRICULTURE 12 (June 22, 2021): 44–60. Accessed April 26, 2024. https://rajpub.com/index.php/jaa/article/view/9063.