Heavy Metal Pollution Status and Human Health Risk Assessment of Farmland around the Karst Mining Area in Central Guizhou

• Yan MEI, 
• Wengang CUI, 
• Suihua LIU, 
• Fang LIU, 
• Xinding ZHANG, 
• Yuemei HUANG, 
• Hongze ZHANG, 
• Yunlu LI