DSpace community: 生態工程技術研發中心

Biological Inoculant of Salt-Tolerant Bacteria for Plant Growth Stimulation under Different Saline Soil Conditions

title: Biological Inoculant of Salt-Tolerant Bacteria for Plant Growth Stimulation under Different Saline Soil Conditions abstract: Using salt-tolerant bacteria to protect plants from salt stress is a promising microbiological treatment strategy for saline?alkali soil improvement. Here, we conducted research on the growth promoting effect of Brevibacterium frigoritolerans on wheat under salt stress, which has rarely been addressed before. The synergistic effect of B. frigoritolerans combined with representative salt tolerant bacteria Bacillus velezensis and Bacillus thuringiensis to promote the development of wheat under salt stress was also further studied. Our approach involved two steps: investigation of the plant growth-promoting traits of each strain at six salt stress levels (0, 2, 4, 6, 8, and 10%); examination of the effects of the strains (single or in combination) inoculated on wheat in different salt stress conditions (0, 50, 100, 200, 300, and 400 mM). The experiment of plant growth-promoting traits indicated that among three strains, B. frigoritolerans had the most potential for promoting wheat parameters. In single-strain inoculation, B. frigoritolerans showed the best performance of plant growth promotion. Moreover, a pot experiment proved that the plant growth-promoting potential of co-inoculation with three strains on wheat is better than single-strain inoculation under salt stress condition. Up to now, this is the first report suggesting that B. frigoritolerans has the potential to promote wheat growth under salt stress, especially combined with B. velezensis and B. thuringiensis.

Water Pollution Reduction and Water Resources Reuse Using Natural Treatment Technology in Taiwan

title: Water Pollution Reduction and Water Resources Reuse Using Natural Treatment Technology in Taiwan abstract: Some natural treatment technologies, such as constructed wetland (CW), can provide natural treatment mechanisms to enhance contaminant removal from polluted water. This type of natural treatment technology has been widely used in Taiwan because of sustainable policies and the environmental conditions. With about research and development work during last decade, there are several practical applications have been implemented and indicated acceptable results. These applications include wastewater treatment in rural areas, wastewater treatment of reuse in campuses, management of aquaculture wastewater, tertiary treatment, water quality improvement of polluted water bodies, wastewater treatment and reuse in ecological leisure areas, groundwater restoration, etc. Furhermore, many people either from academic or industries of various professions start paying attention to consider putting ecological technologies into their original master plans. This is a good trend for making practical projects being more economical and sustainable.

Fermented fish production wastewater treatment by constructed wetland system

title: Fermented fish production wastewater treatment by constructed wetland system abstract: The objectives of this study was to provide the wastewater treament system for fermented fish production factory which will alleviate the water pollution problem caused by discharging of un-treated wastewater into the lagoon and to demonstrate the constructed wetland technology as on-site solution for treatment of wastewater. The treatment system composed of grease trap, anaerobic tank and 2 constructed wetland beds. After the treament system has been operated, the environment of the factory has been improved as there is no wastewater discharged around the factory anymore. Therefore, the factory has been renovated to approach good sanitation. However, the management policy and regulation must be established by local authority for advantageous operation and maintenance of the systen. The cooperation by community is the most important to make the system sustainability. The characteristics of low costs for construction and maintenance are the important issues for achieving sustainability of the system.

International and National Collaboration Approach on Constructed Wetland as Natural Treatment for Sewage Treatment at Ubon Ratana Dam Sub District Municipality,Khon Kaen Thaialnd

title: International and National Collaboration Approach on Constructed Wetland as Natural Treatment for Sewage Treatment at Ubon Ratana Dam Sub District Municipality,Khon Kaen Thaialnd abstract: Constructed wetland as natural sewage treatment established at Ubon Ratana Dam Municipality, Khon Kaen, Thailand has demonstrated as the success project conducted by the strong collaboration of academic institutes and governmental agencies. The universities include Chia Nan University of Pharmacy and Science(CNU, Taiwan) and Khon Kaen University(KKU, Thailand) as the knowledge transfer organization under the collaborating support of the regional governmental office (Regional Environmental Office, REO 10) as the policy and planning organization and local government (Ubon Ratana Dam Municipality) as the operating organization. Collaboration could be accomplished under 3M concept including mutual interest, mutual understanding and mutual respect. In addition to 3M, two more factors called as 2F which are mutual fund and mutual fun have to be significantly cooperated to such accomplishment. This paper, therefore, presents how to successfully implement the project in terms of international and national collaboration approach and will not cover techical design.