English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Tools annual

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

122 soil samples were collected in farmland of Jilin Province, analyzed the pollution situation of 6 kinds of heavy metals by the pollution index method, the geoaccumulation index method and potential ecological risk. The results showed that: according to Nemero pollution index, there are 1.64%, 8.20% and 34.43% of soil samples in high level, moderate level and low level of pollution, respectively, but all is in low ecological risk. There is basically no pollution of Zn, Cu, Hg and As in farmland. The samples have 13.93% exceeding the second level Cd concentration of the national soil quality standard with average 1.65 times, mainly concentrated in Tonghua and Ji’an, southern Jinlin. The proportion of Cd ecological risk in moderate and considerable level is 3.28% and 9.84%, respectively. *第一通讯作者:张继权(1965-),教授,博士生导师, 主要从事环境灾害风险评价与管理、预警等方向研 究,邮箱 zhangjq022@nenu.edu.cn **第二通讯作者:曹铁华(1974-),博士,主要从事 农产品质量安全和生理生态研究,邮箱: caotiehua2002@163.com

Heavy Metal Pollution and Ecological Risk Assessment of Farmland Soil, Jilin Province