Abstract
In Vietnam, extension activities are considered by the government as an urgent and longterm measure, that has a great influence on the production process of farmer commodity production. Among extension objectives, cassava production is given great importance in those areas where appropriate conditions for its development exist. This paper presents an overview of the extension strategy, structure and organization in Vietnam, the linkage of national cassava research and extension organizations, and the objectives and methods of extension activities in Vietnam. This paper also analyzes in detail the results of on-farm research and transfer of technology for cassava production conducted by the Hung Loc Agricultural Research Center. Among the initial achievements is the release of cassava varieties HL-20, HL-23 and HL-24, which are now grown in thousands of hectares every year. A cultural technique of intercropping cassava with mungbean, peanut and winged bean has obtained satisfactory results, contributing to increased farmer income and the maintainance of soil fertility. Cassava germplasm introduced from the Thai-CIAT program is very promising, in particular Rayong 60. This variety is now released by MAFI for multi-locational field trials and dissemination in production fields. A research and extension network for cassava production in Vietnam has been established by linking the National Food Crops Program with the National Extension Program with the support of international organizations such as CIAT, CIP and IDRC. Through this network, new cassava varieties and advanced cultural techniques will be transferred to production fields very quickly
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Claims 6
Claim · model-written summary
Cassava varieties HL-20, HL-23 and HL-24 were released and are grown annually on thousands of hectares.
- Taxon
- cassava
Manihot esculentae0 - Material
- HL-20, HL-23 and HL-24e0
- Outcome
- releasee0
- Value
- thousands of hectarese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“release of cassava varieties HL-20, HL-23 and HL-24, which are now grown in thousands of hectares every year”
Claim · model-written summary
Intercropping cassava with mungbean, peanut and winged bean increased farmer income.
- Taxon
- cassava
Manihot esculentae0 - Treatment
- intercropping cassava with mungbean, peanut and winged beane0
- Outcome
- farmer incomee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“intercropping cassava with mungbean, peanut and winged bean has obtained satisfactory results, contributing to increased farmer income and the maintainance of soil fertility”
Claim · model-written summary
Intercropping cassava with mungbean, peanut and winged bean maintained soil fertility.
- Taxon
- cassava
Manihot esculentae0 - Treatment
- intercropping cassava with mungbean, peanut and winged beane0
- Outcome
- soil fertilitye0
- Direction
- maintainancee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“intercropping cassava with mungbean, peanut and winged bean has obtained satisfactory results, contributing to increased farmer income and the maintainance of soil fertility”
Claim · model-written summary
Introduced cassava germplasm, particularly Rayong 60, was judged promising.
- Taxon
- Cassava
Manihot esculentae0 - Material
- Rayong 60e0
- Outcome
- very promisinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Cassava germplasm introduced from the Thai-CIAT program is very promising, in particular Rayong 60”
Claim · model-written summary
Rayong 60 was released for multilocation field trials and dissemination.
- Taxon
- cassava
Manihot esculentat0 - Material
- Rayong 60t1
- Outcome
- released by MAFI for multi-locational field trials and dissemination in production fieldse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“This variety is now released by MAFI for multi-locational field trials and dissemination in production fields”
t0“cassava”
t1“Rayong 60”
Claim · model-written summary
A cassava research and extension network was established in Vietnam.
- Taxon
- cassava
Manihot esculentae0 - Outcome
- research and extension networke0
- Setting
- Vietname0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“A research and extension network for cassava production in Vietnam has been established by linking the National Food Crops Program with the National Extension Program”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.