Impact of agricultural practices on slope land soil properties of the mountainous region of Northern Vietnam: A case study in Bac Ha District, Lao Cai Province

Southeast Asian Studies

Volumn 41, Issue 4, 2004, Pages 503-518

  Sakurai, Katsutoshi ^a   Kawazu, Hiwasa ^b   Kono, Yasuyuki ^c   Yanagisawa, Masayuki ^c   Le, Van Tiem ^d   Le, Quoc Thanh ^d   Dangthaisong, Nittaya ^e   Trinh, Ngoc Chau ^f  

^a KOCHI UNIVERSITY   (Japan)

^b Proj for Prev/Control of STD/AIDS   (Philippines)

^c KYOTO UNIVERSITY   (Japan)

^d Vietnam Agricultural Science Institute   (Viet Nam)

^e KHON KAEN UNIVERSITY   (Thailand)

^f VIETNAM NATIONAL UNIVERSITY   (Viet Nam)

Author keywords

Bac Ha; Contour planting; Shifting cultivation; Slope land; Soil erosion; Soil fertility; Soil weathering; Terracing; Vietnam

Indexed keywords

AGRICULTURAL PRACTICE; MOUNTAIN REGION; SOIL EROSION; SOIL FERTILITY;

ASIA; EURASIA; LAO CAI; SOUTHEAST ASIA; VIET NAM;

EID: 2342531653     PISSN: 05638682     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (10)

1. HEDO. 2001. Report on Highland Education-Science-Health Development Organization (HEDO). Cited at http://www.hedovietnam.org
2. Itami, Katsuhiko; and Kyuma, Kazutake. 1995. Dispersion Behavior of Soils from Reclaimed Lands with Poor Soil Physical Properties and Their Characteristics with Special Reference to Clay Mineralogy. Soil Sci. Plant Nutr. 41 (1): 45-54.
3. Mckeague, J. A; and Day, J. H. 1966. Dithionite- and Oxalate-Extractable Fe and Al as Aids in Differentiating Various Classes. Can. J. Soil Sci. 46 (1): 13-22.
4. Mehra, O. P.; and Jackson, M. L. 1960. Iron Oxide Removal from Soils and Clays by a Dithionite-citrate System Buffered with Sodium Bicarbonate. Clays Clay Miner. 7: 317-327.
5. Mitchell, Kent J.; and Bubenzer, Gary D. 1980. Chapter 2: Soil Loss Estimation. In Soil Erosion, edited by M. J. Kirkby and R. P. C. Morgan, pp.17-62. Toronto: John Wiley and Sons Ltd.
6. Sakurai, Katsutoshi. 1990. Changes in Zero Point of Charge (ZPC) in the Weathering Process of Soil Material. Pedologist 34 (1): 2-14. (in Japanese with English summary)
7. Sakurai, Katsutoshi; Ohdate, Yoichi; and Kyuma, Kazutake. 1988. Comparison of Salt Titration and Potentiometric Titration Methods for the Determination of Zero Point of Charge (ZPC). Soil Sci. Plant Nutr. 34 (2): 171-182.
8. Sakurai, Katsutoshi; Ohdate, Yoichi; and Kyuma, Kazutake. 1989. Factors Affecting Zero Point of Charge (ZPC) of Variable Charge Soils. Soil Sci. Plant Nutr. 35 (1): 21-31.
9. Soil Survey Staff. 1992. Keys to Soil Taxonomy, 5th edition. SMSS Technical Monograph No. 19. Blacksburg, Virginia: Pocahontas Press, Inc. 556p.
10. Watanabe Etsuko; Sakurai Katsutoshi; Okabayashi Yukoh; Nouanthasing, Lasay; and Chanphengxay, Alounsawat. 2004. Soil Fertility and Farming Systems in a Slash and Burn Cultivation Area of Northern Laos. Southeast Asian Studies 41 (4): 519-537.