Welcome to Chinese Agricultural Science Bulletin,
Evaluation on Environmental Quality of Heavy Metals in Soils of Grain Area in the Northwest of Shandong Province
Zang Hongwei, Shi Yanxi, Kong Fanmei
Chinese Agricultural Science Bulletin . 2006, (9): 432 -432 .  DOI: 10.11924/j.issn.1000-6850.0609432