Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/8015
Title: Increasing quality inoculant production capacity and demand in Vietnam through research and on-farm extension programs
Contributor(s): Tran, Thao Y (author); Herridge, David  (author)orcid ; Deaker, Rosalind (author); Hartley, Elizabeth (author); Gemell, Greg (author); Le, Kieu N (author); Phan, Cong T (author)
Publication Date: 2010
Handle Link: https://hdl.handle.net/1959.11/8015
Abstract: Farmers in Vietnam currently fertilise legumes such as soybean and groundnut with N, rather than inoculate with rhizobia. Replacing fertiliser N with rhizobial inoculants would save Vietnamese farmers A$50-60 million annually in input costs and, at the same time, help facilitate the desired expansion in legume production. There would also be positive environmental outcomes. We report on an AusAID-funded project that aimed to increase production and use of high-quality legume inoculants in Vietnam through a focus on improving inoculant production capacity and quality assurance (QA), inoculant R&D and effective on-farm extension programs. Governmental research institutes, the Vietnam agricultural extension service and private sector companies involved in the project. With the private sector companies, the aim was that they would scale-up inoculant production and progressively take over supply as the technology and markets were developed. During 2007-09, all three institutes were engaged in training and research on all aspects of inoculant production. During that time, a total of 36 replicated, multi-treatment research and 168 unreplicated, single treatment demonstration field trials were also conducted in the major legume-production areas of Vietnam. The Australian rhizobial strains were the most effective in terms of nodulation, biomass yield and grain yield. Compared with the uninoculated control, CB1809 and NC92 increased nodulation of soybean and groundnut, respectively, by an average of 58%, biomass yield by 30% and grain yield by 29%. Economic analysis of the demonstration trials indicated an average increase in farmer profits of 4.500.000VND/ha, through a combination of reduced inputs of fertiliser Nand increase grain yields. The trials also proved effective for training and extension purposes with 3400+ person visits to the sites and evidence from farmer surveys of dramatically increased knowledge of inoculants.
Publication Type: Conference Publication
Conference Name: 1st Asian Conference on Plant-Microbe Symbiosis and Nitrogen Fixation, Jointed with 20th Annual Meeting of Japanese Society of Plant-Microbe Interactions (JSPMI), Miyazaki, Japan, 20th - 24th September, 2010
Conference Details: 1st Asian Conference on Plant-Microbe Symbiosis and Nitrogen Fixation, Jointed with 20th Annual Meeting of Japanese Society of Plant-Microbe Interactions (JSPMI), Miyazaki, Japan, 20th - 24th September, 2010
Source of Publication: 1st Asian Conference on Plant-Microbe Symbiosis and Nitrogen Fixation Program and Abstracts, p. 73-73
Publisher: JSPMI: Japanese Society of Plant-Microbe Interactions
Place of Publication: Japan
Field of Research (FOR): 070302 Agronomy
070306 Crop and Pasture Nutrition
HERDC Category Description: E3 Extract of Scholarly Conference Publication
Other Links: http://jspmi.ac.affrc.go.jp/index_e01.html
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Appears in Collections:Conference Publication
School of Environmental and Rural Science

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