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Copper accumulations in soils, coffee, banana, and bean plants following copper-based fungicides in coffee farms in Arusha and Kilimanjaro regions, Tanzania

Yasin Hassan Senkondo, Filip Tack UGent and E Semu (2014) COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS. 45(15). p.2032-2045
abstract
This study was carried out to investigate the levels of copper (Cu) contamination in coffee fields in Kilimanjaro and Arusha regions, Tanzania, to increase the database on the contamination of soils by Cu-based fungicides in coffee fields. Surface (0-20 cm deep) soil samples were collected from different farms in Kilimanjaro and Arusha regions. Coffee, banana, and bean plant samples were collected from the locations of soil sampling. Soil and plant samples were analyzed at the Department of Soil Science, Sokoine University of Agriculture, Morogoro, Tanzania. It was found that the calcium chloride (CaCl2)-extractable Cu was less than the detection limit of flame atomic absorption spectrometry. Diethylenetriaminepentaacetic acid (DTPA)-extractable (24 to 366 mg Cu kg(-1) soil) and aqua regia-extractable (80 to 806 mg Cu kg(-1) soil) Cu levels were high enough to raise environmental alarm (based on European Union guidelines) in the Cu fungicide-treated soils as compared with natural Cu levels in untreated soils (1 to 12 mg Cu kg(-1) soil for DTPA and 22 to 32 mg Cu kg(-1) soil for aqua regia-extractable Cu). Coffee, banana, and bean plants grown on soils contaminated by Cu fungicides had varied concentrations of Cu that were greater than the concentrations of Cu in the plants collected from the uncontaminated soils. Stepwise regression analysis carried out to investigate the relationships between the soil properties and the concentrations of Cu in plants revealed a significant (P = 0.01) positive relationship (R-2 = 0.4) between organic carbon and the concentration of Cu in banana leaves. Aqua regia-extractable Cu was positively correlated (P = 0.03, R-2 = 0.4) with the concentrations of Cu in banana leaves. For bean leaves, electrical conductivity (EC) had a positive significant (P = 0.01) relationship (R-2 = 0.56) with the concentrations of Cu in the plants. It is recommended that further research be carried out to investigate the dynamics and bioavailability of Cu for the different crops interplanted in the coffee fields.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
FRACTIONATION, ADSORPTION, EXTRACTABILITY, BIOAVAILABILITY, AVAILABILITY, FOREST SOILS, ORGANIC-MATTER, VINEYARD SOILS, CONTAMINATED SOILS, HEAVY-METALS, soil pH, organic carbon, copper, contamination, Coffee
journal title
COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
Commun. Soil Sci. Plant Anal.
volume
45
issue
15
pages
2032 - 2045
Web of Science type
Article
Web of Science id
000340409700004
JCR category
AGRONOMY
JCR impact factor
0.39 (2014)
JCR rank
65/81 (2014)
JCR quartile
4 (2014)
ISSN
0010-3624
DOI
10.1080/00103624.2014.919312
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
5902985
handle
http://hdl.handle.net/1854/LU-5902985
date created
2015-03-17 15:07:41
date last changed
2016-12-19 15:39:32
@article{5902985,
  abstract     = {This study was carried out to investigate the levels of copper (Cu) contamination in coffee fields in Kilimanjaro and Arusha regions, Tanzania, to increase the database on the contamination of soils by Cu-based fungicides in coffee fields. Surface (0-20 cm deep) soil samples were collected from different farms in Kilimanjaro and Arusha regions. Coffee, banana, and bean plant samples were collected from the locations of soil sampling. Soil and plant samples were analyzed at the Department of Soil Science, Sokoine University of Agriculture, Morogoro, Tanzania. It was found that the calcium chloride (CaCl2)-extractable Cu was less than the detection limit of flame atomic absorption spectrometry. Diethylenetriaminepentaacetic acid (DTPA)-extractable (24 to 366 mg Cu kg(-1) soil) and aqua regia-extractable (80 to 806 mg Cu kg(-1) soil) Cu levels were high enough to raise environmental alarm (based on European Union guidelines) in the Cu fungicide-treated soils as compared with natural Cu levels in untreated soils (1 to 12 mg Cu kg(-1) soil for DTPA and 22 to 32 mg Cu kg(-1) soil for aqua regia-extractable Cu). Coffee, banana, and bean plants grown on soils contaminated by Cu fungicides had varied concentrations of Cu that were greater than the concentrations of Cu in the plants collected from the uncontaminated soils. Stepwise regression analysis carried out to investigate the relationships between the soil properties and the concentrations of Cu in plants revealed a significant (P = 0.01) positive relationship (R-2 = 0.4) between organic carbon and the concentration of Cu in banana leaves. Aqua regia-extractable Cu was positively correlated (P = 0.03, R-2 = 0.4) with the concentrations of Cu in banana leaves. For bean leaves, electrical conductivity (EC) had a positive significant (P = 0.01) relationship (R-2 = 0.56) with the concentrations of Cu in the plants. It is recommended that further research be carried out to investigate the dynamics and bioavailability of Cu for the different crops interplanted in the coffee fields.},
  author       = {Senkondo, Yasin Hassan and Tack, Filip and Semu, E},
  issn         = {0010-3624},
  journal      = {COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS},
  keyword      = {FRACTIONATION,ADSORPTION,EXTRACTABILITY,BIOAVAILABILITY,AVAILABILITY,FOREST SOILS,ORGANIC-MATTER,VINEYARD SOILS,CONTAMINATED SOILS,HEAVY-METALS,soil pH,organic carbon,copper,contamination,Coffee},
  language     = {eng},
  number       = {15},
  pages        = {2032--2045},
  title        = {Copper accumulations in soils, coffee, banana, and bean plants following copper-based fungicides in coffee farms in Arusha and Kilimanjaro regions, Tanzania},
  url          = {http://dx.doi.org/10.1080/00103624.2014.919312},
  volume       = {45},
  year         = {2014},
}

Chicago
Senkondo, Yasin Hassan, Filip Tack, and E Semu. 2014. “Copper Accumulations in Soils, Coffee, Banana, and Bean Plants Following Copper-based Fungicides in Coffee Farms in Arusha and Kilimanjaro Regions, Tanzania.” Communications in Soil Science and Plant Analysis 45 (15): 2032–2045.
APA
Senkondo, Y. H., Tack, F., & Semu, E. (2014). Copper accumulations in soils, coffee, banana, and bean plants following copper-based fungicides in coffee farms in Arusha and Kilimanjaro regions, Tanzania. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 45(15), 2032–2045.
Vancouver
1.
Senkondo YH, Tack F, Semu E. Copper accumulations in soils, coffee, banana, and bean plants following copper-based fungicides in coffee farms in Arusha and Kilimanjaro regions, Tanzania. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS. 2014;45(15):2032–45.
MLA
Senkondo, Yasin Hassan, Filip Tack, and E Semu. “Copper Accumulations in Soils, Coffee, Banana, and Bean Plants Following Copper-based Fungicides in Coffee Farms in Arusha and Kilimanjaro Regions, Tanzania.” COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 45.15 (2014): 2032–2045. Print.