The use of cesium-137 measurements of soil erosion and farmers' perception to indicate land degradation amongst shifting cultivators in northern Thailand

Auteur :
FORSYTH, T.J.

Description :
Erosion on steep slopes in Chiang Rai province was measured for the 1963-1991 period. Not all of the erosion was from cultivation. And erosion may not be the most relevant factor in reducing soil fertility. - (DWG)


Type de document :
Article de périodique

Source :
Mountain research and development, issn : 0276-4741, 1994, vol. 14, n°. 3, p. 229-244, Collation : Illustration, Références bibliographiques : 80 ref.

Date :
1994

Editeur :
Pays édition : Japon, Tokyo, United Nations University