Study on Detoxification of Biochemical Fulvic Acid on Quasipaa boulengeri Tadpoles under Copper StressZhang Xiaoqin, Qin Xianfeng, Zhang Qinya, Zhang Hangyue, Yang Yiman and Yang KuoE3S Web of Conf., 536 (2024) 02011DOI: https://doi.org/10.1051/e3sconf/202453602011