Journal
ENVIRONMENTAL POLLUTION
Volume 126, Issue 3, Pages 323-329Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0269-7491(03)00245-8
Keywords
air pollution; biomass crop plants; impact; India; peri-urban agriculture; yield
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Peri-urban agriculture is vital for the urban populations of many developing countries. Increases in both industrialization and urbanization, and associated air pollution threaten urban food production and its quality. Six hour mean concentrations were monitored for SO2, NO2 and O-3 and plant responses were measured in terms of physiological characteristics, pigment, biomass and yield. Parameter reductions in mung bean (Vigna radiata), palak (Beta vulgaris), wheat (Triticum aestivum) and mustard (Brassica compestris) grown within the urban fringes of Varanasi, India correlated directly with the gaseous pollutants levels. The magnitude of response involved all three gaseous pollutants at peri-m-ban sites; O-3 had more influence at a rural site. The study concluded that air pollution in Varanasi could negatively influence crop yield. (C) 2003 Elsevier Ltd. All rights reserved.
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