Traditional agricultural practices enable sustainable remediation of highly polluted soils in Southern Spain for cultivation of food crops

The contents of cadmium, iron, lead and zinc in the biomass of two species of leafy vegetables after urban particulate matter (PM) application was investigated in lettuce (Lactuca sativa var. capitata) and chard (Beta vulgaris var. cicla). The experimental design consisted of four variables: i) two different soil types, ii) two vegetables, iii) two size fractions of contaminated particulate matter (PM) (0.063–0.119 mm, and <0.063 mm), and iv) foliar and soil application of the PM. The aliquots of the PM samples were applied to the soil before the experiment and as a foliar suspension during plant growth. The element uptake by plant biomass was significantly higher via foliar application, simulating the atmospheric deposition, than via the roots from the soil application treatment. The content in plants increased rapidly compared to the control treatment for the elements iron, lead and zinc. Gently washing the leaves only slightly reduced the amounts of Fe and Zn. However, the majority of Pb was removed by washing with the concentration dropping from 3000% to 500%. The effect of PM application on Cd contents in plant leaves was negligible, in most cases. Lettuce exhibited higher element uptake compared to chard. No adverse effects of PM application on growth parameters of the vegetables were observed. No significant differences were reported for particle size fractions of PM. Fluvisol soils had a higher element uptake via roots than Chernozem soils. Moreover, the addition of PM into the Fluvisol altered the sorption properties of the soil resulting in a lower Cd uptake by plants growing in PM amended Fluvisols.

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“…10% of dry matter in plant leaves was calculated. Zinc content in chard and lettuce determined previously [43] were similar to our findings.…”

Section: Zincsupporting

confidence: 92%

Factors influencing uptake of contaminated particulate matter in leafy vegetables

et al. 2012

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“…Some definitions stress the "traditional" aspect or long-term cultural continuity component of knowledge systems, [49][50][51] while other definitions point to the importance of the geographic specificity of this knowledge, often referred to as "local ecological knowledge. " [52][53][54] The former pay greater attention to knowledge as created by the coevolution of ecological and cultural systems over a long time frame, while the latter puts the focus on the knowledge that is specific to a particular ecosystem, landscape, or land use system and associated communities.…”

Section: Portraying Traditional Ecological Knowledge Research In Euromentioning

confidence: 99%

Traditional Ecological Knowledge in Europe: Status Quo and Insights for the Environmental Policy Agenda

Hernández‐Morcillo

Hoberg

Oteros‐Rozas

et al. 2013

Environment: Science and Policy for Sustainable Development

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“…Moreover, the application of 0.2 % Fe oxides to soil surface (0-10 cm) reduced the As uptake by 22 %, whereas the application of 0.5 % Fe oxides reduced the As availability by 32 % (Warren et al 2003). Madejón et al (2011) employed traditional agricultural practices in a heavily contaminated soil in Southern Spain to limit the accumulation of As, Cu, Pb and Zn in onion (Allium cepa L.), lettuce, chard (B. vulgaris L.), potato and lemon (Citrus limon L. Burm.f.).…”

Section: Polluted Lands For Edible Crop Production and Biofortificationmentioning

confidence: 99%

“…Burm.f.). The metal concentration was low in crops when the 2003Bitter gourd (Momordica charantia L.) 100Kříbek et al 2014Cauliflower ( Whole plant Field NA Chatterjee and Singh (2012) soils were limed annually and with animal manure application (Madejón et al 2011). In all cases except for Zn and Pb, the accumulation of metals was below the regulatory limits.…”

Section: Polluted Lands For Edible Crop Production and Biofortificationmentioning

confidence: 99%

Sustainability of crop production from polluted lands

Abhilash

Tripathi

Edrisi

et al. 2016

Energ. Ecol. Environ.

117

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Sustainable food production for a rapidly growing global population is a major challenge of this century. In order to meet the demand for food production, an additional land area of 2.7-4.9 Mha year-1 will be required for agriculture. However, one-third of arable lands are already contaminated; therefore, the use of polluted lands will have to feature highly in modern agriculture. The use of such lands comes, however, with additional challenges, and suitable agrotechnological interventions are essential for ensuring the safety and sustainability of relevant production system. There are also other issues to consider, such as cost-benefit analysis, the possible entry of pollutants into the phytoproducts, certification and marketing of such products, in order to achieve the large-scale exploitation of polluted lands. The present article addresses the sustainability challenges of crop production from polluted lands and briefly outlines the plausible strategies for using polluted lands for sustainable agricultural extensification.

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Traditional agricultural practices enable sustainable remediation of highly polluted soils in Southern Spain for cultivation of food crops

Cited by 34 publications

References 36 publications

Factors influencing uptake of contaminated particulate matter in leafy vegetables

Factors influencing uptake of contaminated particulate matter in leafy vegetables

Traditional Ecological Knowledge in Europe: Status Quo and Insights for the Environmental Policy Agenda

Sustainability of crop production from polluted lands

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