TY - RPRT TI - Trace elements in agroecosystems and impacts on the environment. AU - Zhenli L He AU - Xiaoe E Yang AU - Peter J Stoffella PY - 2005 DO - 10.1016/j.jtemb.2005.02.010 UR - https://pubmed.ncbi.nlm.nih.gov/16325528/ ID - 16325528 ER -