ArticlePlant and soil2020
Soil arsenic but not rice arsenic increasing with arsenic in irrigation water in the Punjab plains of Pakistan.
Article in Plant and soil, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Simulating arsenic migration in arid farmland soils under high-arsenic groundwater irrigation in Xinjiang.PloS one · 2026Article
- Health risk assessment for consuming rice, bread, and vegetables in Hoveyzeh city.Toxicology reports · 2024Article
- A mass-balance model to assess arsenic exposure from multiple wells in Bangladesh.Journal of exposure science & environmental epidemiology · 2022Article
- Distribution, bioavailability, and human health risk assessment of arsenic in groundwater-soil-rice system in the Jianghan Plain, Central China.Environmental science and pollution research international · 2022Article
- Inner Workings: Keeping arsenic out of rice.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Evaluation of a field kit for testing arsenic in paddy soil contaminated by irrigation water.Geoderma · 2021Article
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Authors and funding
5 authors.
Funding
Abstract
aimIrrigating rice with groundwater can lead to As accumulation in soil and rice grains. Matched sets of irrigation water, paddy soil, and rice grains were collected to assess the scale of the problem in the Punjab plains of Pakistan.
methodsFrom a total of 60 sites, irrigation water and rice grains as well as 103 soil samples were collected and analyzed in the laboratory. Irrigation water and 660 soil samples were also analyzed in the field using a field kit.
resultsConcentrations of As in irrigation water (65±32 μg/L) are higher in the floodplain of the Ravi River compared to the Chenab (13±9 μg/L) and Jhelum (4±5 μg/L) rivers, as well as the intervening Rechna (6±6 μg/L) and Chaj doabs (0.8±0.2 μg/L). Area-weighted mean soil As concentrations are 12±3 mg/kg along the Ravi, 8.9±2 and 8.1±2 mg/kg along the Chenab and Jhelum, respectively, and 6.2±0.2 mg/kg within the Rachna and 6.1±0.1 mg/kg in Chaj doabs. The As content of polished grains export-quality basmati rice of 0.09±0.05 mg/kg, however, is low across the entire area.
conclusionsGroundwater irrigation leads to elevated As concentrations in paddy soil of some rice-growing regions of Punjab but does not result in increased uptake of As in basmati rice grains.
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