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Municipal solid waste (MSW): Strategies to improve salt affected soil sustainability: A review

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Title Municipal solid waste (MSW): Strategies to improve salt affected soil sustainability: A review
Not Available
 
Creator M.D. Meena
R.K. Yadav
B. Narjary
Gajender
Avijit Ghosh
P.C. Moharana
 
Subject Municipal Solid Waste Compost (MSWC)
Salt-affected soils
Soil health
 
Description Not Available
Salt-induced soil degradation is a serious threat to global agriculture which is responsible for diminished
productivity of agro-ecosystems. Irrigation with poor quality water and indiscriminate use of chemical
fertilizers to increase crop productivity creates salt accumulation in soil profile thereby reducing crop
sustainability. High concentration of salts in soil inhibits plant growth due to low osmotic potential of
the soil solution, ion toxicity and imbalance reduces nutrient uptake, crop yields. Low productivity of saline
soils is not only due to salt toxicity or excess amounts of soluble salts but also lack of available mineral
nutrients especially nitrogen, phosphorus, potassium and soil organic matter. Hence, sustainable
management of salt-affected soils are paramount importance to meet the demands of food grain production
for an ever-rising population in the world. Recently, municipal solid waste has gained importance as
an organic amendment for restoring soil fertility and finally contributing to productivity of salt-affected
soils. This paper compares extant waste generation, their properties and standards pertinent to municipal
solid waste in different countries and explores the unique recent history in some countries that shows
high environmental regard and rapid changes and also suggests policy experiencing from high environmental
regard and rapid changes from other countries, so that policy makers can propose new or revise
current municipal solid waste standards for salt affected soils. Municipal solid waste compost improves
soil biological, physical and chemical properties because of high soil organic matter and lower concentration
of pollutants. Therefore, the use of municipal solid waste in salt-affected soils could be an alternative
to costly chemical amendments as well as reduce the reliance on chemical fertilizers for increasing productivity
of salt-affected soil. The municipal solid wastes significantly improve crop yields. However, further
long-term experimental investigations are needed to re-validate the application of municipal solid
waste compost in improving physical, chemical and biological properties and to step up organic fertilization
use in a wide range of both saline and sodic soils. In future, research should be directed to address
these issues globally to minimise ecological disturbances and to set environmental standards, and evaluate
the feasibility of the policies in different countries and their impact on socio-economic conditions of
local people.
Not Available
 
Date 2019-11-25T09:32:21Z
2019-11-25T09:32:21Z
2019
 
Type Research Paper
 
Identifier Meena MD, Yadav RK, Narjary B, Yadav G, Jat HS, Sheoran P, Meena MK, Antil RS, Meena BL, Singh HV, Meena VS. Municipal solid waste (MSW): Strategies to improve salt affected soil sustainability: A review. Waste management. 2019 Feb 1;84:38-53.
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/25363
 
Language English
 
Relation 84;W001
 
Publisher Elsevier