Impact of Long-Term Application of Sewage on Soil and Crop Quality in Vertisols of Central India

Shortfall of rain and the decreased groundwater level force farmers to use poor quality water for crop production in developing countries. In this study, the quality of agricultural produce and soil health affected by sewage water ( Patranala ) irrigation was evaluated. Sewage sediment, soil and cro...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 2018-12, Vol.101 (6), p.779-786
Main Authors: Dotaniya, M. L., Rajendiran, S., Meena, V. D., Coumar, M. Vassanda, Saha, J. K., Kundu, S., Patra, A. K.
Format: Article
Language:English
Subjects:
Agricultural production
Agriculture
Aquatic Pollution
Cadmium
Chemical properties
Chromium
Contamination
Copper
Crop production
Crops
Crops, Agricultural - chemistry
Developing countries
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental Monitoring - methods
Food chains
Food contamination
Groundwater
Groundwater - chemistry
Groundwater levels
Heavy metals
India
Irrigation water
LDCs
Lead
Metal concentrations
Metals
Metals, Heavy - analysis
Organic chemistry
Physicochemical properties
Pollution
Risk Assessment
Sediments
Sewage
Sewage - chemistry
Soil - chemistry
Soil contamination
Soil Pollutants - analysis
Soil Science & Conservation
Soils
Trace metals
Vegetables - chemistry
Vertisols
Waste Water Technology
Water Management
Water Pollution Control
Water Quality
Water table
Zinc
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Summary:Shortfall of rain and the decreased groundwater level force farmers to use poor quality water for crop production in developing countries. In this study, the quality of agricultural produce and soil health affected by sewage water ( Patranala ) irrigation was evaluated. Sewage sediment, soil and crop samples were analyzed for physico-chemical properties. Sewage water found to contain trace concentration of heavy metals. However, long-term application of this water for crop production could build up a significant amount of trace metals in both soil and sediments. The DTPA extractable heavy metals ranged Cu 2.7–7.59, Cd 0.04–0.06, Pb 1.29–2.05, Cr 0.01–0.04, Ni 0.24–1.03 and Zn 0.63–2.59 mg kg −1 soil. The heavy metal risk assessment (hazard quotient, HQ) was calculated and found that HQ for these metals in the crops under study was in safe limits. From the study, it is concluded that growing vegetables using sewage water of Patranala is safe, but periodic monitoring to be carried out to avoid food chain contamination.
ISSN:0007-4861
1432-0800
DOI:10.1007/s00128-018-2458-6