Effects of Soil Amendments on Microbial Activities in a Typical Cd-Contaminated Purple Field Soil, Southwestern China

Wang W 1 , Zhou F 1 , Chang Y 2 , Cui J 3 , He D 1 , Du J 2 Show all authors , Chan A 4 , Yao D 2 , Li Y 5 , Chen Z 4 , Kariman K 6

Affiliations 

  • 1 College of Resources and Environment, Southwest University, Chongqing, 400715, China
  • 2 Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing Botanical Garden, Mem. Sun Yat-Sen, Nanjing, 210014, China
  • 3 Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing Botanical Garden, Mem. Sun Yat-Sen, Nanjing, 210014, China. cuijianx@163.com
  • 4 Division of Environment, Faculty of Engineering, University of Nottingham Malaysia Campus, 43500, Semenyih, Malaysia
  • 5 College of Resources and Environment, Southwest University, Chongqing, 400715, China. liyongwf@swu.edu.cn
  • 6 School of Agriculture and Environment, The University of Western Australia, Perth, WA, 6009, Australia
Bull Environ Contam Toxicol, 2020 Mar;104(3):380-385.
PMID: 31932904 DOI: 10.1007/s00128-020-02786-0

Abstract

In this study, three soil amendments (inorganic, liming, or organic-inorganic materials) were used in a Cd-contaminated purple field soil to investigate their impacts on soil Cd availability, enzyme (urease, catalase, sucrase, and acid phosphatase) activities, microbial biomass (carbon/nitrogen) and type (bacteria, fungi, and actinomycetes) in mustard and corn trials. Results showed that soil amendments generally decreased soil exchangeable Cd, fungi and bacterial populations while increasing the activities of all the four soil enzymes tested, microbial biomass carbon and populations of actinomycetes (p  0.05) whereas stronger effects appeared in soil organic matter and available nutrients (nitrogen, phosphorous and potassium; p 

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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