The soil Cd and Pb risk threshold based on quality safety of Panax notoginseng
MENG Xi, LIANG She-wang, WU Han, LU Chun-wei, HE Zhong-jun
HUBEI AGRICULTURAL SCIENCES . 2024, (2): 25 -30 .  DOI: 10.14088/j.cnki.issn0439-8114.2024.02.005