Abstract
BackgroundBarapukuria coal mine which has been operating from 2002 is situated in such a location that is dependent on agriculture. Pollution from Coal mining poses a huge risk to the ecosystem and surrounding soil. So, there could be some impact of the Barapukuria coal mine on the surrounding soil. The main aim of this study is to identify the soil quality of the study area and also see how much the soil is deviated from its standard reference value.ResultsFrom the result it has been identified that pH of the soil is relatively low near the coal mine due to the acid mine drainage. Moreover, Total Nitrogen of the soil samples is also below than the standard value. On the other hand, Iron (Fe), Potassium (K), and Organic matter (OM) and Copper (Cu) are relatively higher than the Standard Reference value for agriculture. So, it is clear that Iron pyrite (FeS2) and chalcopyrite (CuFeS2) which are released during mining operations is the pivotal reason for the degradation of the soil of the surrounding area. Various statistical analytical tools have been used in this study for analyzing the data. Correlation matrix and factor analysis show that degradation of soil is encountered because of anthropogenic causes i.e. because of the coal mine. Besides, cluster analysis entails that which soil samples are deviated from their standard condition and also classifies the soil samples according to their homogeneity. Moreover, one way ANOVA identifies the soil quality controlling factors and the spatial variability of soil samples.ConclusionFrom the agricultural point of view, this study reveals that there are significant factors involved in the degradation of the soil and this degradation is occurring rapidly. The nutrients in the soil for plant growth such as Nitrogen (N), Potassium (K), Iron (Fe), Copper (Cu) and Organic matter (OM) are deviated from the standard reference value due to mining activities which ultimately affect the annual paddy production of the study area.
Highlights
Agriculture is the driving force to boost up the economy of a developing country like Bangladesh and soil quality is the most important factor in this regard
Chemical analysis results in the context of soil quality The result of analyzed variables e.g. pH, Total Nitrogen, Organic Matter (OM), Potassium (K), Phosphorus (P), Sulfur (S), Iron (Fe), Arsenic (As), Copper (Cu), Nickel (Ni), and Total alkalinity is summarized in the Table 1
Barapukuria coal mine is an asset for Bangladesh
Summary
Agriculture is the driving force to boost up the economy of a developing country like Bangladesh and soil quality is the most important factor in this regard. Barapukuria coal mine is the only mine of Bangladesh which has been running since 2002 by using underground multi slice long wall mining method. This coal mine has been extracted 9,240,718.745 MT coal by the year 2016–2017 (Petrobangla 2017). There is no proper infrastructure for coal storage so coal dust can get mix with the surrounding soil and pollute the soil which effect the vast paddy land around the Barapukuria coal mine area. The main objective of this study is to determine the quality of surface soil samples and find out how much soil is degraded with respect to the agricultural point of view. The main aim of this study is to identify the soil quality of the study area and see how much the soil is deviated from its standard reference value
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