Effects of hyperaccumulator plant straw on antioxidant enzyme activities and osmotic substances and malondialdehyde content of lettuce under cadmium stressGuochao Sun, Xiangting Xu, Yunying Xiao, Xiaohan Wei, Yan Wang and Yi TangE3S Web Conf., 136 (2019) 07004DOI: https://doi.org/10.1051/e3sconf/201913607004