<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The water retention capacity of coarse rock fragments is usually considered negligible. But the presence of rock fragments in a soil can play an important role in both water holding capacity and in hydraulic conductivity as well. This paper presents results of maximum water holding capacity measured in coarse rock fragments in the soil classified as cobbly sandy loam sampled at High Tatra mountains. It is shown, that those coarse rock (granite) fragments have the maximum retention capacity up to 0.16 volumetric water content. Retention curves of the four particular granite fragments have shown water capacity available for plants expressed in units of volumetric water content of 0.005 to 0.072 in the soil water potential range (0, -0.3 MPa). Available water capacity of stone fragments can contribute to the available water capacity of soil fine earth considerably and help to plants to survive during dry spells.</p></abstract>

The water retention capacity of coarse rock fragments is usually considered negligible. But the presence of rock fragments in a soil can play an important role in both water holding capacity and in hydraulic conductivity as well. This paper presents results of maximum water holding capacity measured in coarse rock fragments in the soil classified as cobbly sandy loam sampled at High Tatra mountains. It is shown, that those coarse rock (granite) fragments have the maximum retention capacity up to 0.16 volumetric water content. Retention curves of the four particular granite fragments have shown water capacity available for plants expressed in units of volumetric water content of 0.005 to 0.072 in the soil water potential range (0, -0.3 MPa). Available water capacity of stone fragments can contribute to the available water capacity of soil fine earth considerably and help to plants to survive during dry spells.

The water retention of a granite rock fragments in High Tatras stony soils

Institute of Hydrology, Slovak Academy of Sciences, Račianska 75, 831 02 Bratislava 3, Slovakia

Journal of Hydrology and Hydromechanics

{"article-title":"The water retention of a granite rock fragments in High Tatras stony soils"}

The water retention capacity of coarse rock fragments is usually considered negligible. But the presence of rock fragments in a soil can play an important role...

The water retention of a granite rock fragments in High Tatras stony soils

Publié en ligne: 26 août 2010

Pages: 181 - 187

DOI: https://doi.org/10.2478/v10098-010-0017-x

Mots clés
skeletovité pôdy, častice skeletu, žula, retenčná vodná kapacita, retenčná krivka, pôdna voda, Vysoké Tatry

This content is open access.

The water retention of a granite rock fragments in High Tatras stony soils

Publié en ligne: 26 août 2010

Pages: 181 - 187

DOI: https://doi.org/10.2478/v10098-010-0017-x

Mots clésskeletovité pôdy, častice skeletu, žula, retenčná vodná kapacita, retenčná krivka, pôdna voda, Vysoké Tatry

This content is open access.

Mots clés
skeletovité pôdy, častice skeletu, žula, retenčná vodná kapacita, retenčná krivka, pôdna voda, Vysoké Tatry