Reclamation of coalmine spoils with topsoil, grass, and legume: a case study from India

Kumari, Shweta; Maiti, Subodh Kumar

doi:10.1007/s12665-019-8446-2

Cited by 34 publications

(31 citation statements)

References 36 publications

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“…The PMC of PM10, varies from 77.01 to 428.83 (µg/day). If compared with reclamation cost of OB dump, the per hectare cost as per findings of Kumari and Maiti (2019) was lower than the predicted health cost to be borne.…”

Section: Health Impacts Due To Pm10 Emissions From Overburden Dumpmentioning

confidence: 79%

Inhalable Particulate (PM10) Emission Externalities From Overburden Dumps and Associated Health Risk Assessment in Densely Populated Coalfield

Srivast

Kumar

et al. 2021

Preprint

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Overburden (OB) dumps and associated haulage are the significant contributors to increased respirable particulate levels in mining areas. Earlier studies have only focused on reporting seasonal variation of size-segregated particle mass concentration, limiting the role of specific emission sources on sensitive receptors nearby. This study estimated the impact of OB dump expansion (between years 2016 to 2018) with associated haulage on spatial pattern of particulate concentration, associated health effects, and health cost. Furthermore, a model to identify critical health risk zones was also developed. Haulage of OB and its unloading contributed to a significant increase in particulate concentration on the windward side. Moreover, OB dumping resulted in a higher respiratory dose for workers and inhabitants nearby the OB dumpsite. The results indicated that coughing along with lower respiratory problems were the dominant health effects. Moreover, the cases of lower respiratory symptoms due to PM10 emissions from OB dumps increased in 2018. The risk potential model indicated a 4.9% increase in high risk category for population exposed to PM10 emission from OB expansion within two years. An alternative management option was proposed to reduce health risk potential. The control resulted in 73% peak concentration curtailment and 84% reduction in the surface area exceeding prescribed PM10 (100 µg/m3) levels. The said study will be useful in demarcating risk zones and findings have particular significance for dispersion of particulates emanating from OB dumps.

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Section: Health Impacts Due To Pm10 Emissions From Overburden Dumpmentioning

confidence: 79%

Inhalable Particulate (PM10) Emission Externalities From Overburden Dumps and Associated Health Risk Assessment in Densely Populated Coalfield

Srivast

Kumar

et al. 2021

Preprint

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“…Kumari and Maiti (2019) evaluated the efficiency of using topsoil deposition with the use of leguminous and grassy species as green manure. The authors concluded that the use of legumes and grasses in soil reconstituted with topsoil can be a viable technique to recover stripped and reconstituted soils, especially by increasing the organic carbon of the soil.…”

Section: Discussionmentioning

confidence: 99%

“…This can favor considerably the growth of implanted species (Amaral et al, 2017;Festin et al, 2018). Kumari and Maiti (2019)…”

Section: Soil Fertilitymentioning

confidence: 99%

Effects of the planting of legume species and soil conditions on the recovery of a sand and pebble mining area

et al. 2020

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Extensive areas have been degraded worldwide through mineral extraction. Mining class II, especially sand and pebble mining (gravel extraction), has grown significantly in Brazilian Amazonia mainly in the State of Pará. In this context, the development of suitable and efficient recovery techniques is necessary to ensure mined land restoration. The objective of this study was to evaluate the effects of different types of management and green manure methods to recover degraded soil after the mining of pebbles and sand. The experiment was implemented in the northern region of the municipality of Capitão Poço, State of Pará. The procedures we used were: a randomized block design experiment, with a 4 × 3 factorial arrangement. Four legume species were tested: Cajanus cajan (L.), Canavalia ensiformis (L.) DC, Crotolaria juncea (L.), and Mucuna pruriens (L.); in addition, three soil conditions were also tested: exposed soil, topsoil, and hydrogel. Results of the analyses showed how the root collar diameter, stem length, fertility, germination, green and dry biomass varied; the variable topsoil had better results when compared to the samples that used hydrogel and those established on exposed soil in practically all the mean comparisons for isolated factors. Besides this, C. ensiformis (L.) DC and M. pruriens (L.) showed a better development, especially when grown in soils with topsoil deposition as a reconformed substrate. From these studies we conclude that the use of this substrate is to be recommended. C. ensiformis (L.) DC and M. pruriens (L.) are also recommended for restoration.

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“…Planting leguminous tree species in the early stages of post-mining reclamation showed a positive effect on soil fertility and accumulated 0.10% N concentration after nine years of afforestation of coal mine soil in Indonesia [47]. In addition, planting N-fixing legumes on former mine land increases the available N concentration by 79% and TN by 62% compared to topsoil without plantation [21]. In comparison to natural forest, we found the significant recovery of TN stocks (31-40%) in mine soils after eight years of afforestation.…”

Section: Effect Of Afforestation On Mine Soilmentioning

confidence: 98%

“…Out of these, afforestation/reforestation is widely used to restore mine land, but the selection of appropriate tree species is essential. The introduction of leguminous trees and grass-legume association enhances the nutrient content, and their litter below and above the soil enhances the microbial activity and rapid soil formation resulting in elevated carbon sequestration in multiple mine sites [20,21]. A multi-purpose tree plantation on former mine land also increases soil quality and ecosystem carbon pool along with the age of revegetation [22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Effect of Fast-Growing Trees on Soil Properties and Carbon Storage in an Afforested Coal Mine Land (India)

2020

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Surface coal mining activities have numerous consequences on terrestrial ecosystems. Loss of soil and biomass carbon pool due to mining activities is a serious concern in the rapidly changing environment. We investigated the effect of fast-growing trees (Albizia lebbeck, Albizia procera, and Dalbergia sissoo) on soil fertility and ecosystem carbon pool after eight years of afforestation in the post-mining land of Jharia coalfield, India, and compared with the adjacent natural forest site. Significant differences in soil organic carbon (SOC) and total nitrogen (TN) stocks in afforested mine soil and natural forest soils were observed. Greater SOC stock was found under D. sissoo (30.17 Mg·C·ha−1) while total N stock was highest under A. lebbeck (4.16 Mg·N·ha−1) plantation. Plant biomass accumulated 85% of the natural forest carbon pool after eight years of afforestation. The study concluded that planting fast-growing trees in post-mining lands could produce a promising effect on mine soil fertility and greater carbon storage in a short period.

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Reclamation of coalmine spoils with topsoil, grass, and legume: a case study from India

Cited by 34 publications

References 36 publications

Inhalable Particulate (PM10) Emission Externalities From Overburden Dumps and Associated Health Risk Assessment in Densely Populated Coalfield

Inhalable Particulate (PM10) Emission Externalities From Overburden Dumps and Associated Health Risk Assessment in Densely Populated Coalfield

Effects of the planting of legume species and soil conditions on the recovery of a sand and pebble mining area

Effect of Fast-Growing Trees on Soil Properties and Carbon Storage in an Afforested Coal Mine Land (India)

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