Mitigating N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;O emissions from soil: from patching leaks to transformative action

Decock, Charlotte; Lee, Juhwan; Necpálová, Magdaléna; Pereira, Engil Isadora Pujol; Tendall, Danielle M.; Six, Johan

doi:10.5194/soild-2-903-2015

Cited by 27 publications

(27 citation statements)

References 52 publications

(44 reference statements)

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“…The soil system also offers goods, services, and resources to humankind (Berendse et al, 2015;Brevik et al, 2015;Decock et al, 2015;Smith et al, 2015). This is why it is necessary to research how soils are affected by societies.…”

Section: Introductionmentioning

confidence: 99%

Effect of polluted water on soil and plant contamination by heavy metals in El-Mahla El-Kobra, Egypt

Mahmoud¹,

Ghoneim²

2016

Solid Earth

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Abstract. The discharge of untreated waste water in Zefta drain and drain no. 5 is becoming a problem for many farmers in the El-Mahla El-Kobra area, Egypt. The discharged water contains high levels of contaminants considered hazardous to the ecosystem. Some plants, soil, water, and sediment samples were collected from the El-Mahla El-Kobra area to evaluate the contamination by heavy metals. The results showed that the heavy metals, pH, sodium adsorption ratio (SAR), biochemical oxygen demand (BOD), and chemical oxygen demand (COD) in the water of Zefta drain and drain no. 5 exceeded permissible limits for irrigation. In rice and maize shoots grown in soils irrigated by contaminated water from Zefta drain and drain no. 5, the bioaccumulation factors for Cd, Pb, Zn, Cu, and Mn were higher than 1.0. The heavy metals content of irrigated soils from Zefta drain and drain no. 5 exceeded the upper limit of background heavy metals. In this study, the mean contaminant factor values of the drain no. 5 sediments revealed that Zn, Mn, Cu, Cd, Pb, and Ni > 6, indicating very high contamination. The bioaccumulation coefficient values of Cynodon dactylon, Phragmites australis, and Typha domingensis aquatic plants growing in Zefta drain are high. These species can be considered as hyperaccumulators for the decontamination of contaminated water.

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Section: Introductionmentioning

confidence: 99%

Effect of polluted water on soil and plant contamination by heavy metals in El-Mahla El-Kobra, Egypt

Mahmoud¹,

Ghoneim²

2016

Solid Earth

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“…Soils are the key to understanding the earth system as they control the hydrological, biological, geochemical, and erosional cycles (Smith et al, 2015;Decock et al, 2015;Keesstra et al, 2012). Moreover, the soil system is damaged by millennial use and abuse of soil resources, and the soils are failing to supply humankind with goods and services due to the degradation of soil structure, loss of soil quality, and loss of soil fertility (Dai et al, 2015;Masto et al, 2015;Zhao et al, 2015;Cerda, 1998;Costa et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Alleviating aluminum toxicity in an acid sulfate soil from Peninsular Malaysia by calcium silicate application

et al. 2016

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Abstract. In response to human population increase, the utilization of acid sulfate soils for rice cultivation is one option for increasing production. The main problems associated with such soils are their low pH values and their associated high content of exchangeable Al, which could be detrimental to crop growth. The application of soil amendments is one approach for mitigating this problem, and calcium silicate is an alternative soil amendment that could be used. Therefore, the main objective of this study was to ameliorate soil acidity in rice-cropped soil. The secondary objective was to study the effects of calcium silicate amendment on soil acidity, exchangeable Al, exchangeable Ca, and Si content. The soil was treated with 0, 1, 2, and 3 Mg ha −1 of calcium silicate under submerged conditions and the soil treatments were sampled every 30 days throughout an incubation period of 120 days. Application of calcium silicate induced a positive effect on soil pH and exchangeable Al; soil pH increased from 2.9 (initial) to 3.5, while exchangeable Al was reduced from 4.26 (initial) to 0.82 cmol c kg −1 . Furthermore, the exchangeable Ca and Si contents increased from 1.68 (initial) to 4.94 cmol c kg −1 and from 21.21 (initial) to 81.71 mg kg −1 , respectively. Therefore, it was noted that calcium silicate was effective at alleviating Al toxicity in acid sulfate, rice-cropped soil, yielding values below the critical level of 2 cmol c kg −1 . In addition, application of calcium silicate showed an ameliorative effect as it increased soil pH and supplied substantial amounts of Ca and Si.

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“…[25] studied the effect of residence time on Pb adsorption on hydrous Fe oxides and they reported that residence time had significant effect on the amount of Pb, which could be ascribed to the strong Pb into soil complexes. Reduction of Pb mobility by MSWA application may be two mechanisms: increasing pH and higher specific surface area, which causes the precipitation of insoluble phases and promotes Pb adsorption via surface complexation [26][27] ). Table 3.…”

Section: +mentioning

confidence: 99%

Lead Transport in Soils Amended with Municipal Solid Waste Ash

Aloud¹,

Ghoneim²

2018

Pol. J. Environ. Stud.

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Mitigating N<sub>2</sub>O emissions from soil: from patching leaks to transformative action

Abstract: Abstract. Further progress in understanding and mitigating N2O emissions from soil lies within transdisciplinary research that reaches across spatial scales and takes an ambitious look into the future.

Cited by 27 publications

References 52 publications

Effect of polluted water on soil and plant contamination by heavy metals in El-Mahla El-Kobra, Egypt

Effect of polluted water on soil and plant contamination by heavy metals in El-Mahla El-Kobra, Egypt

Alleviating aluminum toxicity in an acid sulfate soil from Peninsular Malaysia by calcium silicate application

Lead Transport in Soils Amended with Municipal Solid Waste Ash

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