The Influence of Selected Soil Physicochemical Properties on Radionuclide Transfer in Cassava Crops

Amakom, Chijioke M.; Orji, C. E.; Eke, Benedict Chukwudi; Okoli, Uchenna; Ndudi, Chidiebere

doi:10.9734/ijpss/2017/30913

Cited by 6 publications

(5 citation statements)

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“…It is also observed that the mean AC values obtained for Th. The TF value for potassium obtained for this work is higher while TF for Thorium is lower than those obtained elsewhere [12,18]. It is also observed that in one of the farms the TF of 238 U is higher while its activity concentration in the soil is low which agrees with findings obtained in other works showing that TF are not linearly related to radionuclide activity concentration [18,16].…”

Section: Activity Concentration Of Measure Radionuclides In Cassava In Studied Areassupporting

confidence: 88%

“…It is reported that many factors both natural and physicochemical, affect the accumulation of radionuclides in plant and are identified to include; concentration of radionuclides in the soil, soil PH, climate, speciation of radionuclide in soil solution, organic content of the soil, soil type and time [12]. This study is therefore set up to measure the activity concentration of NORM deposit in the soil and as well estimate the TF of the radionuclides from soil to cassava in the respective farmlands.…”

Section: Introductionmentioning

confidence: 99%

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Soil to Cassava Transfer Factors of Natural Radionuclides in Farms in Ini Local Government Area, Akwa Ibom State, Nigeria

Akankpo

Essien

Nyong

et al. 2021

JSRR

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Knowledge of activity concentration of radionuclides in soil of our farmlands and the consequent transfer factors of the radionuclide to plants are necessary to estimate the contamination level of the soil, plants and food. The activity concentration of 40K, 238U and 232Th in soils and cassava in Ini Local Government Area, Akwa Ibom State, Nigeria were measured using gamma spectrometry. Activity concentrations of radionuclides in soils in the locations ranged from BDL (below detectable limit) to 298.76 ± 21.40 Bq/Kg for 40K; BDL to 7.95 ± 1.88 Bq/Kg for 238U and 2.59 ± 0.25 to 16.56 ± 1.61 Bq/Kg for 232Th. Activity concentration of the radionuclides in cassava in all locations ranged from 213.96 ± 15.38 Bq/kg to 520.58 ± 37.25 Bq//Kg for 40K; BDL to 33.02 ± 8.91 Bg/Kg for 238U and BDL to 16.34 ± 1.59 Bq/kg for 232Th. The activity concentrations of all the radionuclides were lower than the world standard. Transfer factors obtained ranged between 3.21 to 4.18 for 40K; 0.93 to 12.64 for 238U and 0.75 to 1.01 for 232Th. Effective ingestion dose due to the consumption of cassava from the studied area obtained ranged between 1.31 to 1.74 mSv/yr and 3.52 to 4.69 mSv/yr for children and adult respectively. These values are above the 1.0 mSv/yr recommended dose limit for general public, therefore the consumption of this food stuff could pose a radiological health effect on humans. However the risk could be minimized when the cassava is cooked.

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Section: Activity Concentration Of Measure Radionuclides In Cassava In Studied Areassupporting

confidence: 88%

Section: Introductionmentioning

confidence: 99%

Soil to Cassava Transfer Factors of Natural Radionuclides in Farms in Ini Local Government Area, Akwa Ibom State, Nigeria

Akankpo

Essien

Nyong

et al. 2021

JSRR

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“…The radionuclides concentrations for the mixed soil and coal ash ranged from 162.47 to 180.09, 21.23 to 30.82 and 48.57 to 82.66 Bq/kg for the radionuclides 40 K, 226 Ra, and 232 Th, respectively. This result was found to be similar to what Amakom et al (2017) found in the soils around the Enugu coal mines. The result is also comparable to what was obtained around a cement factory in Ghana by Addo et al (2013) and also similar to what was found in quarry dust around the Abakaliki quarries by Ugwu et al (2008).…”

Section: Radiation Dosessupporting

confidence: 88%

Radionuclide concentration: The coal ash effect

Chijioke¹,

Chikwendu²,

Chinedu³

et al. 2018

Int. J. Phys. Sci.

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Radionuclide concentrations in coal ash, soil mixed with coal ash and soil were determined using the gamma spectroscopic method. The average activity concentrations of 226 Ra, 232 Th, and 40 K in coal ash samples were found as 35.0, 5.8, and 109.4 Bq/kg, respectively. The average activity concentrations of 226 Ra, 232 Th and 40 K in soil mixed with coal ash samples varied from 21.2 to 30.8, 48.6 to 82.7, and 162.5 to 180.1 Bq/kg, respectively. The activity concentrations of radionuclides from the non-mixed soil area, which serves as a control to this study ranged from 123.95 to 128.82, 16.33 to 18.38, and 46.63 to 50.30 Bq/kg, respectively for radionuclides 40 K, 226 Ra, and 232 Th, respectively. From the radiological calculations, it was found that the use of coal ash as a soil additive contributed slightly to the radionuclide concentrations of the area under study.

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“…In the soil, radioactive elements follow complex dynamics in which part of it is transported into the soil solution, while another part gradually becomes strongly bound to soil particles, where the plant root system becomes the major pathway for natural radionuclide migration from soil to man through the food chain (Amakom et al, 2017). In some cases, the natural radionuclides (such as 238 U, 232 Th and 40 K), are facilitated by their chemical similarity with other elements that the plant normally uses for its growth (Manigandan, 2009).…”

Section: Introductionmentioning

confidence: 99%

Radiation Dose from Cassava Samples from a Coal Mining Area of Enugu, Enugu State, Nigeria

Amakom

Orji

Okeoma

2023

Preprint

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Cassava is one of the most staple food for the Nigerian population and is consumed in large quantity daily. Food intake is one of the routes of radiological contamination to man. Cassava samples from an old coal mining area of Enugu, Enugu State, Nigeria were analyzed using gamma ray spectroscopic method. The mean activity concentrations for the radionuclides 40K, 226Ra and 232Th respectively ranged from 193.68-300.92 Bq/kg, 23.03-37.24 Bq/kg and 135.33-158.43 for camp 1, camp 2 and Pottery areas respectively. The total mean annual effective dose due to the three observed radionuclides was 2.03 mSv/yr, which was higher than the recommended value of 1 mSv/yr. The cassava samples from the area under study showed high radiotoxicity levels.

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The Influence of Selected Soil Physicochemical Properties on Radionuclide Transfer in Cassava Crops

Cited by 6 publications

References 0 publications

Soil to Cassava Transfer Factors of Natural Radionuclides in Farms in Ini Local Government Area, Akwa Ibom State, Nigeria

Soil to Cassava Transfer Factors of Natural Radionuclides in Farms in Ini Local Government Area, Akwa Ibom State, Nigeria

Radionuclide concentration: The coal ash effect

Radiation Dose from Cassava Samples from a Coal Mining Area of Enugu, Enugu State, Nigeria

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