Soil-plant-man relationships in heavy metal polluted areas in Romania

Laˇcˇtuşu, Radu; Rauta, C.; Carstea, S.; Ghelase, Ileana

doi:10.1016/0883-2927(95)00101-8

Cited by 87 publications

(45 citation statements)

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“…Health hazards associated with consumption of fruits and vegetable grown with city wastes and sewage sludge containing harmful pathogen need in depth study [62,63].…”

Section: Composting By Involving Earthworms-an Alternativementioning

confidence: 99%

Recycling of Organic Wastes for Sustainable Soil Health and Crop Growth

Chatterjee¹,

Gajjela²,

Thirumdasu³

2017

Int J Waste Resour

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IntroductionA variety of wastes generated through different agricultural and other activities in our day to day life including crop residues in the form of straw, stover, husk, biomass of uncultivated plant species and weeds, forest biomass; animal wastes and by products like dung, urine, bones, fish processing wastes and human habitation wastes like garbage, sewage and sludge etc. (Table 1). Crop residues are abundantly generated in large quantities during crop cultivation. After harvesting the economic part(s) the plants are considered as wastes and are dumped on field side in mound. These accumulated wastes left on the field side causes major unpleasant odours and create disposal problems. They also create environmental problems like occupying vast area, spreading foul odours and forming breeding home for most of the pathogenic microorganism and mosquito vector. Furthermore they are often source of contamination of ground water. However, most of these potentially nutritious wastes are recyclable organic and good source of organic carbon. These huge inexpensive nutrient source or otherwise unused organic waste can be utilized for recycling as valuable resources. Considering growing deficiency of plant nutrients in crop field, higher cost of synthetic fertilizers and poor efficiency of chemical fertilizer, the organic wastes recycling for plant nutrient supply is becoming more essential for replenishment of plant nutrients, sustaining soil health, reducing the pollution problem and creating employment opportunities, which is now being increasingly recognized as a strategy for sustainable crop production. The organic wastes generally showed no adverse effects on crop yield, soil fertility or biological activity, but rather a stimulation of some properties, by reducing dependence on off-farm inputs and creating more balanced nutrient and energy flows, ecosystem resilience is strengthened, food security is increased and additional income are generated [1]. Tandon [2] stated that a sizeable proportion of nutrient needs of agriculture, horticulture, forest and aquaculture can be met through appropriate recycling of a number of wastes and by-product. With the changing scenario recent years have witnessed a renewed interest for sustainable crop production by revitalizing and restoring the soil fertility and reviving the microbial activity to make the soil lively and healthy (Table 1). AbstractEnormous amount of organic wastes are generated from plant, animals and industrial activities in day to day life. A considerable part of which remains unutilized and are either burnt or dumped nearby sites that create pollution, harbours pathogen for diseases and causes severe problem of disposal. Instead of disposing, it can be used as source of organic wastes and effectively recycled for the production of compost to meet the nutritional requirement of crops. Considering growing deficiency of plant nutrients in crop field, higher cost of synthetic fertilizers and poor efficiency of chemical fertilizers, the organic wastes recyc...

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“…Health hazards associated with consumption of fruits and vegetable grown with city wastes and sewage sludge containing harmful pathogen need in depth study [62,63].…”

Section: Composting By Involving Earthworms-an Alternativementioning

confidence: 99%

Recycling of Organic Wastes for Sustainable Soil Health and Crop Growth

Chatterjee¹,

Gajjela²,

Thirumdasu³

2017

Int J Waste Resour

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“…Serious systemic health problems can develop as a result of excessive dietary accumulation of heavy metals such as Cd and Pb in the human body (Oliver 1997). Lacatusu et al, (1996) reported that soil and vegetables polluted with Pb and Cd significantly contributed to decreased human life expectancy within the affected areas of Cospa Mica and Baia Mare in Romania reducing average age at death by 9 -10 years. It has also been reported (Zhuang et al, 2009) that the contaminated soil and food crops in the Levels of some heavy metals in cassava and plantain from farmlands 220 *KALAGBOR IHESINACHI A; DIGHI NK; JAMES R vicinity of Dabaoshan mine in Southern China has put the estimated dietary intakes of Pb and Cd from rice grains and food crops to exceed the tolerable daily intake limits in China, thus exposing the consumers to dangerous levels of Pb and Cd.…”

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confidence: 99%

Levels of some heavy metals in cassava and plantain from farmlands in Kaani and Kpean in Khana Local Government Area of Rivers State

Kalagbor¹,

Dighi²,

James³

2015

Journal of Applied Sciences and Environmental Management

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ABSTRACT:The concentrations of heavy metals (Ni, Zn, Cu, Pb and Fe) were determined in cassava and plantain from farmlands in kaani and Kpean Communities in Khana Local Government Area of Rivers State, Nigeria. Samples were collected, prepared, digested and analyzed using AAS. The levels of heavy metals obtained for cassava samples from Kaani were Ni (5.71 mg/kg), Cu (2.45 mg/kg), Fe (92.4 mg/ kg), Pb (6.57 mg/kg), Zn (9.64 mg/kg) and for plantain samples; Ni (4.31 mg/kg), Fe (59.8 mg/kg), Cu (1.89 mg/ kg), Pb (3.69 mg/kg), Zn (7.04 mg/kg) were recorded. The levels of heavy metals obtained for samples from Kpean were Ni (4.09 mg/kg), Cu (9.64 mg/kg), Fe (6.34 mg/ kg), Pb (13.44 mg/kg), Zn (0.22 mg/kg) for cassava and Ni (10.23 mg/kg), Cu (18.53 mg/ kg), Fe (30.50 mg/kg), Pb (39.18 mg/kg), Zn (9.25 mg/kg) for plantain. Results showed that the levels of these heavy metals Ni, Cr, Cu, Pb and Fe in these food crops were found to be relatively high when compared with FAO/WHO recommended values with crops from Kpean farms having higher values. The most essential element Zn was found to have values below the acceptable limits for cassava and plantain from both farmlands. © JASEM http://dx.doi.org/10.4314/jasem.v19i2.7

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“…This paper, the final part of a complex three-part work, aims to present the consequences of air pollution on public health in Baia Mare between 1980 and 2006. Our work brings up to date and enlarges the bulk of information provided by the very few papers that cover the subject of air pollution effects on public health in Baia Mare (Lacatusu et al, 1996;Dobra and Viman, 2006;Nadisan, 2006;Jelea and Jelea, 2007;Oroian, 2010;Roba et al, 2016;Smical, Muntean and Torok, 2016). In a previous paper, the first of this series, we presented an overview of historical air pollution sources in Baia Mare .…”

Section: Purpose Of the Study And Backgroundmentioning

confidence: 99%