The effects of different simple cultivation facilities on yield and quality of Brassica campestris L. were compared to explore the optimal facility type for pro- duction of B. campestris, thereby providing a technical...The effects of different simple cultivation facilities on yield and quality of Brassica campestris L. were compared to explore the optimal facility type for pro- duction of B. campestris, thereby providing a technical reference for efficient cultiva- tion of B. campestris during hot season. A total of four treatments were designed, open field cultivation （CK）, ordinary anti-insect net shed cultivation, ordinary plastic film greenhouse cultivation and Japanese translucent anti-insect net shed cultivation. The results showed that compared with those in open field cultivation, the plant height, leaf area, yield, Vc content, soluble sugar content and soluble protein con- tent of B. campestris in Japanese translucent anti-insect net shed cultivation were increased by 22%, 63%, 49%, 14%, 13% and 10%, respectively, and Japanese translucent anti-insect net shed was the optimal facility type for cultivation of B. campestris in hot season.展开更多
More than 30 ethnic groups are now living in northern mountainous regions, Vietnam, mainly relying on shifting cultivation with the fallow period being shortened from time to time. Naturally, soil fertility reduces fr...More than 30 ethnic groups are now living in northern mountainous regions, Vietnam, mainly relying on shifting cultivation with the fallow period being shortened from time to time. Naturally, soil fertility reduces from cycle to cycle, entailing the reduction of productivity. Large areas of moderately sloping lands suitable for upland agriculture have become bare after many cultivation-fallow cycles. The soils there have been severely degraded with more toxicity, low porosity, low water retention capacity and poor floral diversity. Normally, these lands cannot be used for food crop cultivation. So farmers in uplands have to rely on slash-and-burn practices for their livelihood. As there is no more forest with good soil in medium slopes, farmers go to cut forests in watershed, high slope lands and old forests up to the mountains’ top. There are ecologically and environmentally very sensitive areas, so their destruction will inevitably cause hazardous consequences in the whole basin. Meanwhile, cultivation in these areas has low economic efficiency and sustainability because the crop yield may decrease very fast due to severe erosion as the higher the slope, the more serious erosion. Consequently living standards of highland farmers remain low and unstable. Sustainable farming on these lands in the perspective of a seriously deteriorated ecology and environmental is not an easy task. There have been many projects trying to help mountainous farmers get out of their vicious circle. However, due to different reasons, the results gained are low, and in some cases, things ceased to move after the projects phased out. During past few years, based on the farmer experiences, the Vietnam Agricultural Science Institute has cooperated with local and international partners to implement different projects in order to solve the problems by developing simple, easy and cheap cultivation technologies, which can be accepted and applied by local poor farmers for sustainable agricultural production. The first results of our activities offered good opportunities for sustain food production, improve soil health, recharge of aquifers, and enhanced household income for better rural lively hoods in the upland eco-regions of northern Vietnam.展开更多
In Hue, the city located in the middle region of Vietnam, the Citadel is known as the place of the last Dynasty in the history of Vietnam, Nguyen （1802-1945）. Whereas Nguyen Kings lived in the Purple Forbidden City ...In Hue, the city located in the middle region of Vietnam, the Citadel is known as the place of the last Dynasty in the history of Vietnam, Nguyen （1802-1945）. Whereas Nguyen Kings lived in the Purple Forbidden City （the third wall of the Citadel）, other members of royal families and high-ranking mandarins lived in Hue Traditional Garden Houses （HTGHs） constructed around and in the Citadel area. This paper is a part of the research that focuses on an approach for sustainable live conservation and application of HTGHs into contemporary use. In this paper, the study aims to consider effects of the Citadel on the layout and arrangement of HTGHs located in its＇ area by studying alteration in layout elements of those house. Based on field surveys of 91 HTGHs in the Citadel area, it is found that although those houses are altered into various configurations under the impacts of urbanization and modernization, several important traditional elements in layout such as Binh Phong （masonry screen）, Be Can （basin）, and facing orientation have been maintained, and their layouts reflect a miniature image of Hue Citadel, i.e., there is an integral relationship between the Citadel and HTGHs located in it. This relationship plays an important role for expressing one of unique characteristics of Hue cultural asset, which is unavailable in other regions of Vietnam.展开更多
Industrial Parks （IPs） in the Northern Key Economic Zone of Vietnam （NKEZ） have been making significant contributions to the development of the zone since the first two industrial parks--Noi Bai in Hanoi and Nomur...Industrial Parks （IPs） in the Northern Key Economic Zone of Vietnam （NKEZ） have been making significant contributions to the development of the zone since the first two industrial parks--Noi Bai in Hanoi and Nomura in Hal Phong--were established 15 years ago. So far, there have been 51 IPs in the zone, covering a total area of 13,000 ha. Such IPs play a crucial role in mobilizing capital from domestic and international investors for investments in infrastructure enhancement, trade and production aimed at promoting the economic structure transition. However, besides the above benefits, there are a number of unstable factors preventing further development of the IPs. Thus, the objectives of this study are two-fold. The first is to analyze the unstable factors, and the second is to map out strategies to enhance sustainable development of industrial parks in Vietnam＇s northern key economic zone.展开更多
The concept of sustainable livelihood is an attempt to go beyond the conventional definitions and approaches to poverty eradication. These had been found to be too narrow because they focused only on certain aspects o...The concept of sustainable livelihood is an attempt to go beyond the conventional definitions and approaches to poverty eradication. These had been found to be too narrow because they focused only on certain aspects or manifestations of poverty, such as low income, or did not consider other vital aspects of poverty such as vulnerability and social exclusion. It is now recognized that more attention must be paid to the various factors and processes which either constrain or enhance poor people＇s ability to make a living in an economically, ecologically, and socially sustainable manner. Construction of nuclear power plants in Vietnam is in the first step of implementing and will be allocated in Thuan Nam and Ninh Hai districts, Ninh Thuan province, an agricultural and poor province in Vietnam. This requires a large area of land mobilized, thus a part of popupation living in the project area has to move far away. Besides the positive effects of this project, there are significantly negative impacts on the people living in the project areas and nearby, and their livelihoods are seriously affected. This paper aims at assessing the impact of the nuclear power plants construction on the livelihoods of people in two districts in Ninh Thuan province, in order to have mechanisms and policies to support reasonably and effectively, contributing to stabilize people＇s lives and local development.展开更多
Though with slight ups and downs, Vietnamese economies have been flourishing for recent decades. Just like other remaining historical districts in Asia, those of Vietnam have been going through rapid urbanization and ...Though with slight ups and downs, Vietnamese economies have been flourishing for recent decades. Just like other remaining historical districts in Asia, those of Vietnam have been going through rapid urbanization and transformation. The rapid urbanization impacts on traditional living environment. This paper examines the impacts of rapid urbanization to traditional living environment and community linkage, illustrating a case study of the Gia Hoi area of the historic old district in the city of Hue in Central Vietnam. To identify the impacts, a comparative analysis is conducted between neighbors along a main street which were more impacted by urbanization and those along a small alley which were less impacted. Through the analysis of field and questionnaire surveys, it found out that socioeconomic conditions, in particular, community linkage of households along main street and small ally varied significantly. It argues that in historical district, social capital is not well-spread, but rather concentrated along small allies, and small allies play an important role for sustainable community.展开更多
文摘The effects of different simple cultivation facilities on yield and quality of Brassica campestris L. were compared to explore the optimal facility type for pro- duction of B. campestris, thereby providing a technical reference for efficient cultiva- tion of B. campestris during hot season. A total of four treatments were designed, open field cultivation （CK）, ordinary anti-insect net shed cultivation, ordinary plastic film greenhouse cultivation and Japanese translucent anti-insect net shed cultivation. The results showed that compared with those in open field cultivation, the plant height, leaf area, yield, Vc content, soluble sugar content and soluble protein con- tent of B. campestris in Japanese translucent anti-insect net shed cultivation were increased by 22%, 63%, 49%, 14%, 13% and 10%, respectively, and Japanese translucent anti-insect net shed was the optimal facility type for cultivation of B. campestris in hot season.
文摘More than 30 ethnic groups are now living in northern mountainous regions, Vietnam, mainly relying on shifting cultivation with the fallow period being shortened from time to time. Naturally, soil fertility reduces from cycle to cycle, entailing the reduction of productivity. Large areas of moderately sloping lands suitable for upland agriculture have become bare after many cultivation-fallow cycles. The soils there have been severely degraded with more toxicity, low porosity, low water retention capacity and poor floral diversity. Normally, these lands cannot be used for food crop cultivation. So farmers in uplands have to rely on slash-and-burn practices for their livelihood. As there is no more forest with good soil in medium slopes, farmers go to cut forests in watershed, high slope lands and old forests up to the mountains’ top. There are ecologically and environmentally very sensitive areas, so their destruction will inevitably cause hazardous consequences in the whole basin. Meanwhile, cultivation in these areas has low economic efficiency and sustainability because the crop yield may decrease very fast due to severe erosion as the higher the slope, the more serious erosion. Consequently living standards of highland farmers remain low and unstable. Sustainable farming on these lands in the perspective of a seriously deteriorated ecology and environmental is not an easy task. There have been many projects trying to help mountainous farmers get out of their vicious circle. However, due to different reasons, the results gained are low, and in some cases, things ceased to move after the projects phased out. During past few years, based on the farmer experiences, the Vietnam Agricultural Science Institute has cooperated with local and international partners to implement different projects in order to solve the problems by developing simple, easy and cheap cultivation technologies, which can be accepted and applied by local poor farmers for sustainable agricultural production. The first results of our activities offered good opportunities for sustain food production, improve soil health, recharge of aquifers, and enhanced household income for better rural lively hoods in the upland eco-regions of northern Vietnam.
文摘In Hue, the city located in the middle region of Vietnam, the Citadel is known as the place of the last Dynasty in the history of Vietnam, Nguyen （1802-1945）. Whereas Nguyen Kings lived in the Purple Forbidden City （the third wall of the Citadel）, other members of royal families and high-ranking mandarins lived in Hue Traditional Garden Houses （HTGHs） constructed around and in the Citadel area. This paper is a part of the research that focuses on an approach for sustainable live conservation and application of HTGHs into contemporary use. In this paper, the study aims to consider effects of the Citadel on the layout and arrangement of HTGHs located in its＇ area by studying alteration in layout elements of those house. Based on field surveys of 91 HTGHs in the Citadel area, it is found that although those houses are altered into various configurations under the impacts of urbanization and modernization, several important traditional elements in layout such as Binh Phong （masonry screen）, Be Can （basin）, and facing orientation have been maintained, and their layouts reflect a miniature image of Hue Citadel, i.e., there is an integral relationship between the Citadel and HTGHs located in it. This relationship plays an important role for expressing one of unique characteristics of Hue cultural asset, which is unavailable in other regions of Vietnam.
文摘Industrial Parks （IPs） in the Northern Key Economic Zone of Vietnam （NKEZ） have been making significant contributions to the development of the zone since the first two industrial parks--Noi Bai in Hanoi and Nomura in Hal Phong--were established 15 years ago. So far, there have been 51 IPs in the zone, covering a total area of 13,000 ha. Such IPs play a crucial role in mobilizing capital from domestic and international investors for investments in infrastructure enhancement, trade and production aimed at promoting the economic structure transition. However, besides the above benefits, there are a number of unstable factors preventing further development of the IPs. Thus, the objectives of this study are two-fold. The first is to analyze the unstable factors, and the second is to map out strategies to enhance sustainable development of industrial parks in Vietnam＇s northern key economic zone.
文摘The concept of sustainable livelihood is an attempt to go beyond the conventional definitions and approaches to poverty eradication. These had been found to be too narrow because they focused only on certain aspects or manifestations of poverty, such as low income, or did not consider other vital aspects of poverty such as vulnerability and social exclusion. It is now recognized that more attention must be paid to the various factors and processes which either constrain or enhance poor people＇s ability to make a living in an economically, ecologically, and socially sustainable manner. Construction of nuclear power plants in Vietnam is in the first step of implementing and will be allocated in Thuan Nam and Ninh Hai districts, Ninh Thuan province, an agricultural and poor province in Vietnam. This requires a large area of land mobilized, thus a part of popupation living in the project area has to move far away. Besides the positive effects of this project, there are significantly negative impacts on the people living in the project areas and nearby, and their livelihoods are seriously affected. This paper aims at assessing the impact of the nuclear power plants construction on the livelihoods of people in two districts in Ninh Thuan province, in order to have mechanisms and policies to support reasonably and effectively, contributing to stabilize people＇s lives and local development.
文摘Though with slight ups and downs, Vietnamese economies have been flourishing for recent decades. Just like other remaining historical districts in Asia, those of Vietnam have been going through rapid urbanization and transformation. The rapid urbanization impacts on traditional living environment. This paper examines the impacts of rapid urbanization to traditional living environment and community linkage, illustrating a case study of the Gia Hoi area of the historic old district in the city of Hue in Central Vietnam. To identify the impacts, a comparative analysis is conducted between neighbors along a main street which were more impacted by urbanization and those along a small alley which were less impacted. Through the analysis of field and questionnaire surveys, it found out that socioeconomic conditions, in particular, community linkage of households along main street and small ally varied significantly. It argues that in historical district, social capital is not well-spread, but rather concentrated along small allies, and small allies play an important role for sustainable community.
