Journal
BIORESOURCE TECHNOLOGY
Volume 82, Issue 2, Pages 103-107Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0960-8524(01)00180-8
Keywords
giant reed; Arundo donax; wastewater; biofiltering; biomass; reuse; hydroponic; pig's waste
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The objective of this experimental work was to examine the efficiency of giant reed (Arundo donax L.), as a Source of biomass production and as a biofiltering device for sewage effluents. Two giant reed populations were cultivated in a closed gravel hydroponic system, where pig's waste was used as a nutrient solution. The results showed that stem biomass production varied from 12 to 23 kg DM m(-2) yr(-1), more than the ordinary production in the soil. According to stem analysis, for the first two years, there was an average infiltration rate of 31 g m(-2) yr(-1) total N, 7.5 g m(-2) yr(-1) total P, 18.8 g m(-2) yr(-1) K, 2.1 g m(-2) yr(-1) Ca, 2.1 g m(-2) yr(-1) Mg, 0.27 g m(-2) yr(-1) Fe, 0.02 g m(-2) yr(-1) Mn, 0.14 g m(-2) yr(-1) Zn and 0.08 g m(-2) yr(-1) Cu. During the third year, when a nutrient solution with added P was used, the average infiltration rate for most elements increased by 46% and for P by 169%. (C) 2002 Elsevier Science Ltd. All rights reserved.
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