STUDIES ON SOIL AND WATER QUALITY AS AFFECTED BYMUNICIPAL SOLID WASTE (MSW) DUMPING AND THEIR EFFECT ON CROP PERFORMANCE
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Date
2016-10-20
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UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BENGALURU
Abstract
The research was carried out to study the soil and water quality affected by
municipal solid waste (MSW) dumping and their effect on crop performance around the
municipal solid waste dumping site, Mandur, Bengaluru rural during kharif 2013 and
summer 2014.
The results of the physical properties showed that soil texture was sandy loam,
bulk density was lower at the dumpsite and increased with increase in distance and soil
depth. Soil moisture content, pH, EC, OC, CEC, total bacteria, total fungi were higher at
the dumpsite and decreased with increase in the distance.
Available major, secondary, DTPA micro nutrients and heavy metal concentration
were higher at the dumpsite and decreased with increase in the distance and soil depth.
The same trend also followed in water samples analyzed for pH, EC, SAR, BOD, COD,
CO3, HCO3, Ca, Mg and heavy metals in both bore well and tank water in both seasons.
During summer 2014, soil nutrient status and chemical properties of water samples were
higher as compared to kharif 2013.
The yield data of the crops grown around the dumping site were affected and
yields were improved with increase in distance from the dumping site. Though the same
trend was noticed during summer but the yields were higher. The nutrient uptake in
different crops also followed the yield trend but the nutrient concentrations were found
higher near the dumping site as compared to away from the dumping site. Higher nutrient
uptake was noticed during summer 2014 as compared to kharif 2013.
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