ORIGINAL RESEARCH
Distribution of Heavy Metal Contents
in Soil Producing Uncaria rhynchophylla (Miq.)
Miq. ex Havil. In Guizhou: Driven by Land Use
Patterns
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1
College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China
2
College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China
3
Key Laboratory of Karst Geological Resources and Environment, Ministry of Education, Guizhou University,
Guiyang 550025, China
4
Zunyi Rural Development Service Center, Zunyi 563000, China
Submission date: 2023-03-20
Final revision date: 2023-04-20
Acceptance date: 2023-04-21
Online publication date: 2023-05-16
Publication date: 2023-06-23
Corresponding author
Zhenming Zhang
Guizhou Academy of Sciences, Guiyang, Guizhou 550001, P. R. China, 5500025, Guiyang, China
Pol. J. Environ. Stud. 2023;32(4):3113-3123
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ABSTRACT
The distribution characteristics of heavy metal content in the soil of Guizhou real estate hook vine
under different land use methods were explored, and the basic data for the high-quality and efficient
cultivation of URM producing areas in Guizhou real estate was explored. Taking the soil of the hook
vine production area as the research object, the contents of six heavy metals (Cu, As, Cd, Hg, Pb and
Cr) in the root zone and non-root zone of the hook vine production area under different land use patterns
were studied, and the pollution characteristics of heavy metals were evaluated by single factor and
Nemerow composite index. The results showed that contents of heavy metals in URM producing areas
in Guizhou are different under different forms of land use. The contents of Cu, As, Hg, Pb and Cr
are invariably the highest in URM bases. It is found from the grading of soil heavy metal contents
in URM producing areas, contents of all other heavy metals except Cd in forest land are compliant
with standards. Under different forms of land use, only forest land is contaminated by heavy metal
Cd. A certain antagonistic or synergistic action exhibits among different heavy metals. In general, soil
heavy metal contents in URM producing areas in Guizhou are relatively low. Specifically, heavy metal
contents in URM bases are significantly higher than those in forest land and waste land, which is mainly
attributed to massive fertilization. Therefore, fertilization should be reduced in the practical production
process.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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