Organic amendments minimize the migration of potentially toxic elements in soil–plant system in degraded agricultural lands

Ghani, Junaid; Nawab, Javed; Khan, Sardar; Khan, Mubarak Ali; Ahmad, Imran; Ali, Hayssam M.; Siddiqui, Manzer H.; Funari, Valerio; Dinelli, Enrico

doi:10.1007/s13399-022-02816-3

Cited by 19 publications

(5 citation statements)

References 99 publications

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“…It has been reported that other than varieties of plants, factors like types and concentrations of contaminants, soil physicochemical properties such as pH, electrical conductivity, and organic matters are also great contributors to the uptake of heavy metals by plants (Aina et al, 2019 ; Ghani et al, 2022 ). Soil pH as one of the soil properties determines the quality of agricultural soil and the interaction of other biochemical substances within the soil and the plant.…”

Section: Resultsmentioning

confidence: 99%

Heavy metals and potential health risk assessment of Lactuca sativa and Daucus carrota from soil treated with organic manures and chemical fertilizer

Aina,

Mugivhisa,

Olowoyo

et al. 2024

Environ Monit Assess

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The large-scale production of food crops with heavy application of chemical fertilizers in the effort to meet the astronomical increase in food demands may be counterproductive to the goal of food security. This study investigated the effect of different soil treatments on the levels of heavy metals (Cr, Cu, Fe, Ni, Pb, and Zn) in two types of vegetables Lactuca sativa (lettuce) and Daucus carrota (carrot). The potential carcinogenic and non-carcinogenic health risks from their consumption were also evaluated. Planting experiment was set up in a randomized block design, with different soil treatments of soil + cow dung (CD), soil + sewage sludge (SS), soil + chemical fertilizer (nitrogen-phosphorus-potassium (NPK)), and untreated soil (UNTRD). The vegetables were harvested at maturity, washed with distilled water, and subjected to an acid digestion process before the levels of heavy metals were measured by inductively coupled plasma spectrometry (ICP-MS). The mean concentrations of the metals in the vegetables across all treatments were below the maximum permissible limits. The pattern of heavy metal accumulation by the vegetables suggested that the lettuce from SS treatment accumulated higher concentrations of heavy metals like Cr (0.20 mg/kg), Cu (3.91 mg/kg), Ni (0.33 mg/kg), and Zn (20.44 mg/kg) than carrot, with highest concentrations of Fe (90.89 mg/kg) and Pb (0.16 mg/kg) recorded in lettuce from NPK treatment. The bioaccumulation factor (BAF) showed that lettuce, a leafy vegetable, has bioaccumulated more heavy metals than carrot, a root vegetable. The BAF was generally below the threshold value of 1 in both vegetables, except in lettuce from NPK and CD treatments and carrot from NPK treatments, with BAF values of 1.6, 1.69, and 1.39, respectively. The cancer risk assessment factors were well below the unacceptable maximum range of 10−4 suggesting that consuming these vegetables might not expose an individual to potential risk of cancer development. The hazard quotient estimations were below the threshold values of 1 for all heavy metals; however, the hazard index (HI) values of 1.27 and 1.58 for lettuce from NPK and SS treatments indicate a potential non-carcinogenic health risk to consumers from intake of all the heavy metals.

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Section: Resultsmentioning

confidence: 99%

Heavy metals and potential health risk assessment of Lactuca sativa and Daucus carrota from soil treated with organic manures and chemical fertilizer

Aina,

Mugivhisa,

Olowoyo

et al. 2024

Environ Monit Assess

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“…Carcinogenic risk (CR) denotes the absolute likelihood of an individual having cancer disease by adverse exposure to hazardous pollutants in a lifetime, which can be calculated by Eq. 10 (Kumar et al, 2019;Ghani et al, 2022bGhani et al, , 2022c. In CR calculation, CSF is the cancer slope factor of the selected PHEs.…”

Section: Risk Characterizationmentioning

confidence: 99%

Potentially harmful elements and health risk assessment in groundwater of urban industrial areas

Ishtiaq,

Khan,

Khan

et al. 2024

Front. Environ. Sci.

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Groundwater quality was investigated in three urban semi-arid multi-industrial metropolitan areas i.e. (Hayatabad Industrial Estate, Peshawar (HIEP), Gadoon Industrial Estate, Swabi (GIES) and Hattar Industrial Estate, Haripur (HIEH). The main aim of the study was to determine their physicochemical parameters, potentially harmful elements (PHEs) concentration, pollution sources and public health risks in semi-arid multi-industrial metropolitan areas of Khyber Pakhtunkhwa (KPK), Pakistan. The physicochemical parameters (pH, TDS and EC), PHEs (Cd, Zn, Pb, Cr and Ni) concentrations and Mg in drinking water sources were found within the permissible limits, except Fe, which exceeded the World Health Organization (WHO) acceptable limit. Among PHEs, Zn had the highest contribution rates of 69.6%, 58.2% and 67.64% in HIEP, GIES and HIEH, respectively, while Cd showed the lowest contribution rates (3.15%, 1.98% and 2.06%) for HIEP, GIES and HIEH respectively. Principal component analysis (PCA) showed significant correlations between parameters, with contributions of industrial effluents and wastewater discharge (46.81%), mixed sources (34.05%) and geo-genic sources (19.14%) for drinking water in the study area. The carcinogenic risk (CR) for Cd, Cr, Ni and Pb, were found within the acceptable threshold value of 1 × 10−4. This study suggests that urban groundwater should also be regularly monitored for PHEs contamination as over-extraction, industrialization and informal E-waste recycling events surges the public health risks globally, facing related environmental contamination difficulties of the urban groundwater.

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“…In rice, seed priming with zinc oxide nanoparticles (ZnONPs) was found to mitigate water deficit, by altering antioxidant enzymes and osmolytes production ( Mazhar et al., 2022 ). The foliar application of ZnONPs mitigates water stress in cucumber seedlings by altering the antioxidant mechanism, scavenging reactive oxygen species (ROS), and synthesizing osmolytes, resulting in overall improved crop growth ( Ghani et al., 2022 ).…”

Section: Role Of Bio-based Compounds Against Biotic and Abiotic Stres...mentioning

confidence: 99%

Enhancing crop resilience by harnessing the synergistic effects of biostimulants against abiotic stress

Asif,

Ali,

Qadir

et al. 2023

Front. Plant Sci.

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Plants experience constant exposed to diverse abiotic stresses throughout their growth and development stages. Given the burgeoning world population, abiotic stresses pose significant challenges to food and nutritional security. These stresses are complex and influenced by both genetic networks and environmental factors, often resulting in significant crop losses, which can reach as high as fifty percent. To mitigate the effects of abiotic stresses on crops, various strategies rooted in crop improvement and genomics are being explored. In particular, the utilization of biostimulants, including bio-based compounds derived from plants and beneficial microbes, has garnered considerable attention. Biostimulants offer the potential to reduce reliance on artificial chemical agents while enhancing nutritional efficiency and promoting plant growth under abiotic stress condition. Commonly used biostimulants, which are friendly to ecology and human health, encompass inorganic substances (e.g., zinc oxide and silicon) and natural substances (e.g., seaweed extracts, humic substances, chitosan, exudates, and microbes). Notably, prioritizing environmentally friendly biostimulants is crucial to prevent issues such as soil degradation, air and water pollution. In recent years, several studies have explored the biological role of biostimulants in plant production, focusing particularly on their mechanisms of effectiveness in horticulture. In this context, we conducted a comprehensive review of the existing scientific literature to analyze the current status and future research directions concerning the use of various biostimulants, such as plant-based zinc oxide, silicon, selenium and aminobutyric acid, seaweed extracts, humic acids, and chitosan for enhancing abiotic stress tolerance in crop plants. Furthermore, we correlated the molecular modifications induced by these biostimulants with different physiological pathways and assessed their impact on plant performance in response to abiotic stresses, which can provide valuable insights.

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Organic amendments minimize the migration of potentially toxic elements in soil–plant system in degraded agricultural lands

Cited by 19 publications

References 99 publications

Heavy metals and potential health risk assessment of Lactuca sativa and Daucus carrota from soil treated with organic manures and chemical fertilizer

Heavy metals and potential health risk assessment of Lactuca sativa and Daucus carrota from soil treated with organic manures and chemical fertilizer

Potentially harmful elements and health risk assessment in groundwater of urban industrial areas

Enhancing crop resilience by harnessing the synergistic effects of biostimulants against abiotic stress

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