Land
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Land
degradation
Changes in land
quality in Vietnam, particularly those related to natural conditions and
man made factors have manifested in considerable degradation of land
resources. Land degradation
has been defined as low fertility soils, imbalance in nutrients due to
erosion, leaching, abandoning, flooding, rapid decay and mineralization of
soil organic matter, and landslides. The most important of these causes
are due to deforestation, drought, desertification, salinisation,
acidification, urbanisation and
industrialisation.
References
1.
Le Thai Bat. Textbook on problem soils of Vietnam, Ha Noi.
1996.
2.
Maqsud. N.M. Heavy metal
accumulation in canal and sediments of Ho Chi Minh city. A response to
urban- sub urban environmental pollution. Magazine “Soil science”
No. 10. Agricultural publishing house. Ha Noi,
8/1998.
3.
Thai Phien, Nguyen Tu
Siem. Sustainable cultivation on
sloping land in Vietnam. Ha Noi, 1998.
4.
Nguyen Tu Siem, Thai
Phien. The hill and mountainous
land in Vietnam- degradation and recovery. The agricultural Publishment,
Ha Noi, 1999.
5.
General land
administration. Actual land use in
1995.
6.
General land
administration. Actual land use in
1998.
7.
General statistical
office. Department of Agriculture
Forestry and Fishery. Statistical data of agriculture. Forestry- fishery
of Vietnam 1990- 1998 and estimation for the year 2000 statistical
publishing house. Ha Noi, 1998.
8.
Ministry of science,
technology and environment (National Environmental Agency). Report on soil
environment of southern Vietnam in1997. Ho Chi Minh city.
1/1998.
9.
Ministry of science,
technology and environment (National Environmental Agency)Report on soil
environment of southern Vietnam in 1998. Ho Chi Minh City.
12/1998.
10. Ministry of science,
technology and environment (National Environmental Agency) Report on soil
environment of southern Vietnam in 1999. Ho Chi Minh City,
10/1999.
11. Ministry of science,
technology and environment (National Environmental Agency) Report on soil
environment in some areas of Northern Vietnam 1997. Ha Noi,
2/1998.
12. Ministry of science,
technology and environment (National Environmental Agency) Report on soil
environment in some areas of Northern Vietnam 1998. Ha Noi,
12/1998.
13. Ministry of science,
technology and environment (National Environmental Agency) Report on soil environment in some areas
of northern Vietnam 1999. Ha Noi, 12/1999.