Soil and Water Environment

tudy the relationship of natural environment factors and the mangroves ecosystem at Ong Trang islet in order to contribute to biodiversity conservation, ecosystem preservation, sustainable development of mangroves under tidal influence of the East sea and the West sea, and climate change response.

26p guitaracoustic02 08-12-2021 25 1   Download

Overall objectives: Research and propose the solutions to treat straw in the field so that reducing on-field rice straw burning and improving the soil properties in intensive rice soil.

25p guitaracoustic02 08-12-2021 21 3   Download

The quantity of rice straw and straw management survey only did in WinterSpring and Fall-Winter crops in An Giang, Dong Thap, Kien Giang province and Can Tho City. The research focused on the evaluation of simply biological pretreatment, material size and mixing rate of rice straw/hyacinth with pig manure in anaerobic batch and semi-continuous condition in vitro; trial producing biogas in polyethylene digester type (PE) in household scale in vivo

24p beloveinhouse10 28-11-2021 17 3   Download

Research purposes: To establish indicators of WRS for river basins in Viet Nam which are appropriate to charateristics and water use of basins; To use the proposed indexs to assess WRS for typical regions in Ma river basin; subsequently, proposing oriented solutions to make WRS feasible and appropriate to real conditions.

27p hobbsandshaw 09-06-2021 14 4   Download

Conventional farming methods have significantly increased yields but in recent times due to the increased awareness of people about health, there has been increasing demand of organically grown foods. Organic farming helps in maintaining soil health and thereby produce healthy and quality food materials. This concern has prompted an expanding enthusiasm for organic farming methods since they may diminish a portion of the negative impacts of conventional farming on the earth.

8p caygaocaolon4 04-04-2020 19 3   Download

The US Environment Protection Agency defines arsenic as a persistent, bio-accumulative, and toxic chemical having the ability to accumulate in the air, soil, and water. In 1961, the pollution of arsenic was first discovered in Taiwan, and later in Belgium, Netherland, Germany, Italy, Hungary, Portugal, The Philippines, Ghana, USA, Chile, Mexico, Argentina, and Thailand. In 1992, the toxicity of arsenic was found as a disaster in West Bengal, India.

14p sinhtobo111 25-04-2011 94 11   Download