www.old.international-agrophysics.org / issues


International Agrophysics
publisher:Institute of Agrophysics
Polish Academy of Sciences
Lublin, Poland
ISSN: 0236-8722


vol. 20, nr. 2 (2006)

previous paper back to paper's list next paper
Relationship between van Genuchten’s parameters of the retention curve equation and physical properties of soil solid phase
(get PDF)
D. Porębska, C. Sławiński, K. Lamorski, R.T. Walczak
Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, P.O. Box 201, 20-290 Lublin 27, Poland

vol. 20 (2006), nr. 2, pp. 153-159
abstract Van Genuchten parameters were determined for 24 Phaeozems and 54 Gleysols samples taken from surface, subsurface and subsoil horizons. No evident dependences between van Genuchten’s parameters and the physical properties of Phaeozems soil samples were observed, which was due to a similar genesis and similar properties of soil solid phase. Analysis of Gleysols, on the other hand, revealed dependences between the physical soil properties and van Genuchten’s parameters resulting from different geneses of these soils and, hence, different physical properties of soil solid phase. The obtained results should be considered as preliminary and further studies on a larger number of soil samples are planned.
keywords water retention curve, van Genuchten’s parameters, pedotransfer functions