Influence of chromium fractions on microbial community in soil. ecological metagenomes------soil metagenome

Chromium(Cr) slag abandoned by metallurgical and chemical industries contains a large amount of high concentration of Cr. Because of the expensive costs of Cr slag treatment and the lack of landfill sites, illegal disposing above the farmland around the chromate plant has become a common problem in China

冶金与化工行业产生并弃置的铬（Cr）渣含有大量高浓度的铬元素。由于铬渣处理成本高昂且填埋场地匮乏，非法倾倒于铬酸盐厂周边农田的行为在中国已成为普遍问题。