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Title: Assessment of Water Quality in Indo-Gangetic Plain of South-Eastern Asia under Organic vs. Conventional Rice Farming

Abstract

Water contamination is often reported in agriculturally intensive areas such as the Indo-Gangetic Plain (IGP) in south-eastern Asia. We evaluated the impact of the organic and conventional farming of basmati rice on water quality during the rainy season (July to October) of 2011 and 2016 at Kaithal, Haryana, India. The study area comprised seven organic and seven conventional fields where organic farming has been practiced for more than two decades. Water quality parameters used for drinking (nitrate, NO3; total dissolved solids (TDS); electrical conductivity (EC) pH) and irrigation (sodium adsorption ratio (SAR) and residual sodium carbonate (RSC)) purposes were below permissible limits for all samples collected from organic fields and those from conventional fields over the long-term (~15 and ~20 years). Importantly, the magnitude of water NO3 contamination in conventional fields was approximately double that of organic fields, which is quite alarming and needs attention in future for farming practices in the IGP in south-eastern Asia.

Authors:
ORCiD logo [1]; ORCiD logo [2];  [3];  [4];  [4];  [5]; ORCiD logo [4]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oregon State Univ., Corvallis, OR (United States)
  3. Sichuan Univ., Beijing (China)
  4. Indian Agricultural Research Inst., New Delhi (India)
  5. National Centre of Integrated Pest Management, New Delhi (India)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1608192
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Water (Basel)
Additional Journal Information:
Journal Name: Water (Basel); Journal Volume: 12; Journal Issue: 4; Journal ID: ISSN 2073-4441
Publisher:
MDPI
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; water quality; conventional farming; organic farming; nitrate; residual sodium carbonate; sodium adsorption ratio; total dissolved solids

Citation Formats

Sihi, Debjani, Dari, Biswanath, Yan, Zhengjuan, Sharma, Dinesh Kumar, Pathak, Himanshu, Sharma, Om Prakash, and Nain, Lata. Assessment of Water Quality in Indo-Gangetic Plain of South-Eastern Asia under Organic vs. Conventional Rice Farming. United States: N. p., 2020. Web. doi:10.3390/w12040960.
Sihi, Debjani, Dari, Biswanath, Yan, Zhengjuan, Sharma, Dinesh Kumar, Pathak, Himanshu, Sharma, Om Prakash, & Nain, Lata. Assessment of Water Quality in Indo-Gangetic Plain of South-Eastern Asia under Organic vs. Conventional Rice Farming. United States. doi:https://doi.org/10.3390/w12040960
Sihi, Debjani, Dari, Biswanath, Yan, Zhengjuan, Sharma, Dinesh Kumar, Pathak, Himanshu, Sharma, Om Prakash, and Nain, Lata. Sat . "Assessment of Water Quality in Indo-Gangetic Plain of South-Eastern Asia under Organic vs. Conventional Rice Farming". United States. doi:https://doi.org/10.3390/w12040960. https://www.osti.gov/servlets/purl/1608192.
@article{osti_1608192,
title = {Assessment of Water Quality in Indo-Gangetic Plain of South-Eastern Asia under Organic vs. Conventional Rice Farming},
author = {Sihi, Debjani and Dari, Biswanath and Yan, Zhengjuan and Sharma, Dinesh Kumar and Pathak, Himanshu and Sharma, Om Prakash and Nain, Lata},
abstractNote = {Water contamination is often reported in agriculturally intensive areas such as the Indo-Gangetic Plain (IGP) in south-eastern Asia. We evaluated the impact of the organic and conventional farming of basmati rice on water quality during the rainy season (July to October) of 2011 and 2016 at Kaithal, Haryana, India. The study area comprised seven organic and seven conventional fields where organic farming has been practiced for more than two decades. Water quality parameters used for drinking (nitrate, NO3; total dissolved solids (TDS); electrical conductivity (EC) pH) and irrigation (sodium adsorption ratio (SAR) and residual sodium carbonate (RSC)) purposes were below permissible limits for all samples collected from organic fields and those from conventional fields over the long-term (~15 and ~20 years). Importantly, the magnitude of water NO3 contamination in conventional fields was approximately double that of organic fields, which is quite alarming and needs attention in future for farming practices in the IGP in south-eastern Asia.},
doi = {10.3390/w12040960},
journal = {Water (Basel)},
number = 4,
volume = 12,
place = {United States},
year = {2020},
month = {3}
}

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