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Althought cashew is usually planted in dry areas and poor fertiliser, cashew nut yeild significantly increased by application of appropriate irrigation. In addition, technology of water-saving irrigation pointed out that products of cashew nut increased 8-22% as compared to traditional irrigation. However, effect of applying water-saving irrigat...
7 trang | Chia sẻ: huongnt365 | Ngày: 27/11/2020 | Lượt xem: 421 | Lượt tải: 0
Water supply system in Ho Chi Minh City has been built for a longtime with large water pipes and prolonged, difficulty in ensuring water supply and pressure on the system. The pressure in head system very high led to major water losses. By contrast, in the end of system, the pressure is too low. Currently, the water supply system in Ho Chi Minh ...
7 trang | Chia sẻ: huongnt365 | Ngày: 27/11/2020 | Lượt xem: 438 | Lượt tải: 0
Water has an indispensable role for almost all functions of an ecosystem. Water is also one of most critical resources needed to support the socioeconomic development of human society. Thus, sustainable water resource management has been on the priority list of many national agendas. Water resource vulnerability assessment serves as a guide supp...
7 trang | Chia sẻ: huongnt365 | Ngày: 27/11/2020 | Lượt xem: 519 | Lượt tải: 0
Along the coastal area in the west of Go Cong (Tien Giang Province), the mangrove system has played an important role to not only reduce wind and swell waves but also protect the beach and the seadikes. However, in recent decade, this mangrove system is seriously degraded. It leads shoreline areas to be vulnerable. The process of shoreline erosi...
9 trang | Chia sẻ: huongnt365 | Ngày: 27/11/2020 | Lượt xem: 412 | Lượt tải: 0
Hệ thống sông Hồng-Thái Bình lớn thứ 2 ở Việt Nam (sau hệ thống sông Cửa Long) và đóng vai trò hết sức quan trọng trong phát triển kinh tế - xã hội của đất nước. Trên hệ thống sông đã xây dựng các hồ chứa lớn ở thượng nguồn để phục vụ công tác điều tiết lũ, phát điện và cấp nước (nông nghiệp, sinh hoạt, giao thông thủy và thủy sản ). Bên cạnh nh...
7 trang | Chia sẻ: huongnt365 | Ngày: 27/11/2020 | Lượt xem: 391 | Lượt tải: 0
Ba River basin is one of the 11 inter-provincial river basin in Vietnam, has cascade reservoir system. Recently the system has brought many benefits but also caused very complex social economic and environmental impacts so it is imperative that research and evaluation for the appropriate management solution to promote the positive aspects and to...
5 trang | Chia sẻ: huongnt365 | Ngày: 27/11/2020 | Lượt xem: 441 | Lượt tải: 0
This paper presents the calculation of soft soil improvement by probabilistic-based method, forcusing on the optimal determination of drain spacing. The case study is seltected for the soft soil improvemet work at Ca Mau Gas Processing Plant and compare with the conventional approach. The result shows the optimal drain spacing determinated by pr...
7 trang | Chia sẻ: huongnt365 | Ngày: 27/11/2020 | Lượt xem: 470 | Lượt tải: 0
Cua Dat reservoir on the Chu River is located in Xuan My Commune, Thuong Xuan District, Thanh Hoa Province. For reliable operation of the reservoir to meet it’s requirements of water supply, loss reduction and maximum power generation, a mid-term (10-day) runoff forecast is needed. This article proposes a forecast method which is a combination o...
5 trang | Chia sẻ: huongnt365 | Ngày: 27/11/2020 | Lượt xem: 414 | Lượt tải: 0
The Son La and Hoa Binh reservoir cascade system play an important role in hydro power generation, flood control and water supply for downstream areas in the Red River. This article summarized the result of real time operation for this system to improve the efficiency of water supply, electricity generation and flood control. Based on analyzing ...
8 trang | Chia sẻ: huongnt365 | Ngày: 27/11/2020 | Lượt xem: 426 | Lượt tải: 0
This paper describes an approach to Economic Analysis of dam rehabilitation projects which has been applied to the World Bank funded Dam Rehabilitation and Safety Improvement Project (DRaSIP). The project supports the Government’s dam safety program with the objective to protect downstream communities and economic activities through priority inv...
8 trang | Chia sẻ: huongnt365 | Ngày: 27/11/2020 | Lượt xem: 444 | Lượt tải: 0