ZHU, Xicun, Zhuoyuan WANG, Lulu GAO, Gengxing ZHAO, and Ling WANG. “Estimating Nitrogen Contents of Apple Leaves Based on Hyperspectral Parameter Models at Different Phenophases”. JOURNAL OF ADVANCES IN AGRICULTURE 6, no. 2 (July 28, 2016): 942–952. Accessed July 3, 2024. https://rajpub.com/index.php/jaa/article/view/5377.