Percentage of surface irradiance (% Is) and the daily integrated PPFD (400–700 nm Photosynthetic Photon Flux Density, mol quanta m2 d1) were calculated for the recorded period in order to estimate the effect of silt–clay fraction on the
Percentage of surface irradiance (% Is) and thedaily integrated PPFD (400–700 nm Photosynthetic Photon FluxDensity, mol quanta m2 d1) were calculated for the recordedperiod in order to estimate the effect of silt–clay fraction on the