Effects of Solanum nigrum, Crassocephalum crepidioides and Bidens pilosa straws on the nutrients content of soil and grape seedlings under cadmium stressKewen Huang, Xinyu Gao, Ling Xiao, Junjiang Shu, Qinyuan Li and Ming’an LiaoE3S Web Conf., 136 (2019) 07011DOI: https://doi.org/10.1051/e3sconf/201913607011