Spatial characteristic of hydro-physical properties in arable mineral soils in Poland as illustrated by field water capacity (FWC)
 
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1
Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, P.O. Box 201, 20-290 Lublin 27, Poland
2
Institute for Land Reclamation and Grassland Farming, Department of Land Use, Falenty, 05-090 Raszyn, Poland
Acceptance date: 2001-11-26
 
Int. Agrophys. 2002, 16(2): 151–159
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ABSTRACT
The spatial characteristics of the field water capacity (FWC) of Polish soils have been presented. It was found that their values range from 3.9 to 45.5 %, vol. in relation to soil units and are mostly differentiated by the soil granulometric distribution. Variability of the value of field water capacity in in- dividual regions can be seen in the well delineated belt of the central uplands, foothills and mountain areas; it divides Poland into two structural zones for which the threshold FWC value in the surface layer and subsurface is 25 and 30% in the subsoil.
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