Actual evapotranspiration from partially tile-drained fields as influenced by soil properties, terrain and crop

altitud altitude arable land barley bassin versant brassica napus cambisol cambisoles cambisols capa arable del suelo cebada cereal crops couche arable cultivos de cereales cultivos de invierno cultivos de primavera culture d'hiver culture de printemps czech republic data analysis drainage souterrain energy balance evapotranspiration field experimentation graine de colza grasslands herbage highlands hordeum vulgare meteorological stations orge praderas precipitation rapeseed seasonal variation semilla de colza sloping land soil chemicophysical properties soil texture soil water retention sous-sol spring crops statistical methods subsoil subsuelo subsurface drainage terre arable terre en pente terreno en declive textura del suelo texture du sol tierras arables top soil trigo triticum aestivum water holding capacity watersheds wheats winter crops