Krasilnikov PV, Tabor JA (2003) Perspectives on utilitarian ethnopedology. Geoderma
111:197–215
Kubiniok J (1999) Reliefentwicklung, Pedogenese und geoo ¨kologische Probleme agrarischer
Nutzung eines tropischen Berglandes – das Beispiel Nordthailand. Zeitschrift fu ¨r
Geomorphologie, Neue Folge, Supplementband 117, Borntraeger, Berlin/Stuttgart
Land Development Department of Thailand (1979) Soil survey report in the Chiang Mai Province.
Land Development Department of Thailand, Bangkok
Land Development Department of Thailand (2007) Soil survey report in the Chiang Mai Province.
Land Development Department of Thailand, Bangkok
Liaw A (2012) Package ‘random forest’ http://cran.r-project.org/web/packages/randomForest/
randomForest.pdf. 21 Aug 2012
Liaw A, Wiener M (2002) Classification and regression by random forest. R News 2(3):18–22
Maier R (2010) Bodenfruchtbarkeit in Abha ¨ngigkeit der wirtschaftlichen Situation von HmongKleinbauern in der Provinz Son La im Bergland Nordvietnams. M.Sc. thesis, Institute for Soil
Science and Land Evaluation (310a), University of Hohenheim, Stuttgart
McBratney AB, Mendonc ¸a Santos ML, Minasny B (2003) On digital soil mapping. Geoderma
117:3–53
Minh TT (2010) Agricultural innovation systems in Vietnam’s northern mountainous region. Six
decades shift from a supply-driven to a diversification-oriented system. Margraf Publishers,
Weikersheim
Mouret C (2004) Karst in Southeast Asia. In: Gunn J (ed) Encyclopedia of cave and karst science.
Fritzroy Dearborn, London, pp 100–104
Murty D, Kirschbaum MUF, McMurtrie RE, McGilvray H (2002) Does conversion of forest to
agricultural land change soil carbon and nitrogen? A review of the literature. Glob Chang Biol
8:105–123
Nguyen TV (ed) (2005) Geological and mineral resources map of Vietnam 1:200.000. Van Yen
F-48-XXVII, Hanoi
Nguyet VTM (2006) Hydrogeological characterisation and groundwater protection of tropical
mountainous karst areas in NW Vietnam. VUB – Hydrogeologie 48, 152p
Niemeijer D, Mazzucato V (2003) Moving beyond indigenous soil taxonomies: local theories of
soils for sustainable development. Geoderma 111:403–424
Oudwater N, Martin A (2003) Methods and issues in exploring local knowledge of soils.
Geoderma 111:387–401
Pansak W, Hilger TH, Dercon G, Kongkaew T, Cadisch G (2008) Changes in the relationship
between soil erosion and N loss pathways after establishing soil conservation systems in
uplands of Northeast Thailand. Agric Ecosyst Environ 128:167–176
Payton RW, Barr JJF, Martin A, Sillitoe P, Deckers JF, Gowig JW, Hatibu N, Naseem SB, Tenywa
M, Zuberi MI (2003) Contrasting approached to integrating indigenous knowledge about soils
and scientific soil survey in East Africa and Bangladesh. Geoderma 111:335–386
Pracilio G, Adams ML, Smettem KRJ, Harper RJ (2006) Determination of spatial distribution
patterns of clay and plant available potassium contents in surface soils at the farm scale using
high resolution gamma ray spectrometry. Plant Soil 282:67–82
Renard KG, Foster GR, Weesies GA, McCool DK, Yoder DC (1997) Predicting soil erosion by
water: a guide to conservation planning with the revised universal soil loss equation (RUSLE).
Agric. Handbook., vol 703. US Department of Agriculture, Washington, DC
Ripley B (2012) Package ‘RODBC’. Available online http://cran.r-project.org/web/packages/
RODBC/RODBC.pdf
Royal Thai Survey Department (1976) Topographic maps, 1:50.000. Royal Thai Survey Department, Bangkok
Sang N (2011) Assessment of different soil fertility and household income of the small scale
farmers in Yen Chau district, Son La Province, North-West Vietnam. M.Sc. thesis, Institute for
Soil Science and Land Evaluation (310a), University of Hohenheim, Stuttgart
Schlichting E, Blume HP, Stahr K (1995) Bodenkundliches Praktikum. Pareys Studientexte 81,
Berlin
2 Beyond the Horizons: Challenges and Prospects for Soil Science and Soil. . .
105
111:197–215
Kubiniok J (1999) Reliefentwicklung, Pedogenese und geoo ¨kologische Probleme agrarischer
Nutzung eines tropischen Berglandes – das Beispiel Nordthailand. Zeitschrift fu ¨r
Geomorphologie, Neue Folge, Supplementband 117, Borntraeger, Berlin/Stuttgart
Land Development Department of Thailand (1979) Soil survey report in the Chiang Mai Province.
Land Development Department of Thailand, Bangkok
Land Development Department of Thailand (2007) Soil survey report in the Chiang Mai Province.
Land Development Department of Thailand, Bangkok
Liaw A (2012) Package ‘random forest’ http://cran.r-project.org/web/packages/randomForest/
randomForest.pdf. 21 Aug 2012
Liaw A, Wiener M (2002) Classification and regression by random forest. R News 2(3):18–22
Maier R (2010) Bodenfruchtbarkeit in Abha ¨ngigkeit der wirtschaftlichen Situation von HmongKleinbauern in der Provinz Son La im Bergland Nordvietnams. M.Sc. thesis, Institute for Soil
Science and Land Evaluation (310a), University of Hohenheim, Stuttgart
McBratney AB, Mendonc ¸a Santos ML, Minasny B (2003) On digital soil mapping. Geoderma
117:3–53
Minh TT (2010) Agricultural innovation systems in Vietnam’s northern mountainous region. Six
decades shift from a supply-driven to a diversification-oriented system. Margraf Publishers,
Weikersheim
Mouret C (2004) Karst in Southeast Asia. In: Gunn J (ed) Encyclopedia of cave and karst science.
Fritzroy Dearborn, London, pp 100–104
Murty D, Kirschbaum MUF, McMurtrie RE, McGilvray H (2002) Does conversion of forest to
agricultural land change soil carbon and nitrogen? A review of the literature. Glob Chang Biol
8:105–123
Nguyen TV (ed) (2005) Geological and mineral resources map of Vietnam 1:200.000. Van Yen
F-48-XXVII, Hanoi
Nguyet VTM (2006) Hydrogeological characterisation and groundwater protection of tropical
mountainous karst areas in NW Vietnam. VUB – Hydrogeologie 48, 152p
Niemeijer D, Mazzucato V (2003) Moving beyond indigenous soil taxonomies: local theories of
soils for sustainable development. Geoderma 111:403–424
Oudwater N, Martin A (2003) Methods and issues in exploring local knowledge of soils.
Geoderma 111:387–401
Pansak W, Hilger TH, Dercon G, Kongkaew T, Cadisch G (2008) Changes in the relationship
between soil erosion and N loss pathways after establishing soil conservation systems in
uplands of Northeast Thailand. Agric Ecosyst Environ 128:167–176
Payton RW, Barr JJF, Martin A, Sillitoe P, Deckers JF, Gowig JW, Hatibu N, Naseem SB, Tenywa
M, Zuberi MI (2003) Contrasting approached to integrating indigenous knowledge about soils
and scientific soil survey in East Africa and Bangladesh. Geoderma 111:335–386
Pracilio G, Adams ML, Smettem KRJ, Harper RJ (2006) Determination of spatial distribution
patterns of clay and plant available potassium contents in surface soils at the farm scale using
high resolution gamma ray spectrometry. Plant Soil 282:67–82
Renard KG, Foster GR, Weesies GA, McCool DK, Yoder DC (1997) Predicting soil erosion by
water: a guide to conservation planning with the revised universal soil loss equation (RUSLE).
Agric. Handbook., vol 703. US Department of Agriculture, Washington, DC
Ripley B (2012) Package ‘RODBC’. Available online http://cran.r-project.org/web/packages/
RODBC/RODBC.pdf
Royal Thai Survey Department (1976) Topographic maps, 1:50.000. Royal Thai Survey Department, Bangkok
Sang N (2011) Assessment of different soil fertility and household income of the small scale
farmers in Yen Chau district, Son La Province, North-West Vietnam. M.Sc. thesis, Institute for
Soil Science and Land Evaluation (310a), University of Hohenheim, Stuttgart
Schlichting E, Blume HP, Stahr K (1995) Bodenkundliches Praktikum. Pareys Studientexte 81,
Berlin
2 Beyond the Horizons: Challenges and Prospects for Soil Science and Soil. . .
105