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Title: | Safe use of metal-contaminated agricultural land by cultivation of energy maize (Zea mays) | Authors: | VAN SLYCKEN, Stijn WITTERS, Nele MEERS, Erik PEENE, Andy Michels, Evi ADRIAENSEN, Kristin RUTTENS, Ann VANGRONSVELD, Jaco DU LAING, Gijs WIERINCK, Isabella VAN DAEL, Miet VAN PASSEL, Steven TACK, Filip |
Issue Date: | 2013 | Source: | ENVIRONMENTAL POLLUTION, 178, p. 375-380 | Abstract: | Production of food crops on trace element-contaminated agricultural lands in the Campine region (Belgium) can be problematic as legal threshold values for safe use of these crops can be exceeded. Conventional sanitation of vast areas is too expensive and alternatives need to be investigated. Zea mays on a trace element-contaminated soil in the region showed an average yield of 53 10 Mg fresh or 20 3 Mg dry biomass ha 1. Whole plant Cd concentrations complied with legal threshold values for animal feed. Moreover, threshold values for use in anaerobic digestion were met. Biogas production potential did not differ between maize grown on contaminated and non-contaminated soils. Results suggested favorable perspectives for farmers to generate non-food crops profitably, although effective soil cleaning would be very slow. This demonstrates that a valuable and sustainable alternative use can be generated for moderately contaminated soils on which conventional agriculture is impaired. | Notes: | Reprint Address: Witters, N (reprint author) - Hasselt Univ, Ctr Environm Sci CMK, Agoralaan Bldg D, B-3590 Diepenbeek, Belgium. E-mail Addresses:nele.witters@uhasselt.be | Keywords: | Anaerobic digestion; Metal; Phytomanagement; Phytoremediation; Zea mays L. | Document URI: | http://hdl.handle.net/1942/15255 | ISSN: | 0269-7491 | e-ISSN: | 1873-6424 | DOI: | 10.1016/j.envpol.2013.03.032 | ISI #: | 000320487700050 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2014 |
Appears in Collections: | Research publications |
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