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- Title
Screening Wetland Plants for Nutrient Uptake and Bioenergy Feedstock Production.
- Authors
Zhao, Fengliang; Liu, Chunfa; Rafiq, Muhammad T.; Zheli Ding; Zheng Zeng; Aziz, Rukhsanda; Xiaoe Yang
- Abstract
The constructed wetlands are considered as low cost systems for treating municipal, industrial and agricultural wastewater. However, there is limited information about the subsequent disposal of how to deal with the harvested biomass. This study was conducted to investigate the phyto-uptake potential of nitrogen and phosphorus of six perennial wetland plants and their biomass potential for bioenergy use. One square meter of aboveground part of each plant species was harvested in triplicate and weighed to determine the biomass. Subsamples were prepared to determine nitrogen (N) and phosphorus (P) contents. Results indicated that the biomass of giant reed (Arundo donax) was up to 5.59 kg m-2 and its phyto-uptake of N and P in the aboveground tissues was also the highest one followed by green reed (Phragmites (sp.)). Giant reed and green reed had higher calorific value (about 18 MJ kg-1), which was significantly higher than umbrella plant, canna and alligator flag (P ≤ 0.05). Therefore, giant reed and green reed could be the preferential wetland plants for nutrient phyto-uptake and bioenergy feedstock usage.
- Subjects
SEWAGE; ENDOPHYTES; NUTRIENT uptake; PHRAGMITES; PLANT nutrients
- Publication
International Journal of Agriculture & Biology, 2014, Vol 16, Issue 1, p213
- ISSN
1560-8530
- Publication type
Article