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Amelioration Potential of Sulphur and Phosphogypsum Enriched Municipal Solid Waste Compost in Saline-Sodic Soils

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Title Amelioration Potential of Sulphur and Phosphogypsum Enriched Municipal Solid Waste Compost in Saline-Sodic Soils
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Creator Gajender Yadav
Murlidhar Meena
Bhaskar Narjary
Parul Sundha
Kirti Yadav
Manisha Devi
Madhu Chaudhary
Asim Dutta
RK Yadav
 
Subject Elemental sulphur, Municipal solid waste compost, Phosphogypsum, Saline-sodic soil, Total cation mass
 
Description Not Available
Salinity and sodicity severely influence soil physico - chemical properties and impose stress on plants, consequently
decrease the crops yield in arid and semiarid regions. Sustainable management of Municipal Solid Waste
(MSW) and other industrial by - products is another emerging challenge. MSW compost and some industrial
byproducts can be utilized as amendments for reclamation of salt - affected soils. In this context, a controlled
condition study was carried out on composting of MSW alone and its enrichment with gypsum, phosphogypsum,
spent wash, elemental sulphur, and press - mud followed by assessment of the efficacy of MSW compost and
products of its enrichment for amelioration of saline - sodic soil [pHs, electrical conductivity (ECe) and
exchangeable sodium per cent of 9.55, 4.72 dS m - 1 and 58.3, respectively]. A sequential leaching column
experiment was also conducted, on homogenized mixture of saline - sodic soil with MSWC/enriched MSWC,
to assess the salts release and removal efficiency of different byproducts enriched MSWC. Use of MSWC and
its enrichment with organic and inorganic amendments reduced soil pH and EC with significant improvement
in soil health. Elemental sulphur and phosphogypsum enriched MSWC application @ 20 Mg ha - 1 significantly
reduced soil pH and soluble salts and thus, proved more effective than gypsum, pressmud and spent wash
enriched MSWC. In the view of decreasing availability and purity of mined gypsum, due to competing demand
of gypsum in other sectors, elemental sulphur and phosphogypsum enriched MSWC can prove a low - cost
alternative to costly amendments for reclamation of saline - sodic soils.
Scheme for Young Scientists and Technologists, DST (SP/YO/099/2016)
 
Date 2020-12-30T10:38:01Z
2020-12-30T10:38:01Z
2020-01-01
 
Type Article
 
Identifier Yadav, G., Meena, M., Narjary, B., Sundha, P., Yadav, K., Devi, M., Chaudhary, M., Dutta, A. and Yadav, R.K., 2020. Amelioration Potential of Sulphur and Phosphogypsum Enriched Municipal Solid Waste Compost in Saline-Sodic Soils. Journal of Soil Salinity and Water Quality, 12(1), 70-79.
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http://krishi.icar.gov.in/jspui/handle/123456789/44276
 
Language English
 
Relation Not Available;
 
Publisher Journal of Soil Salinity and Water Quality