... onshoot and root development of Fagus, unlike herbaceous fine- root biomass (Tab. III). Since pine fine -root biomass accountedfor the vast majority of stand root biomass, the total fine -root biomass ... (SHB); root biomass (ROB), rela-tive stem diameter increment (SDI), relative irradiance (RIR), total herbaceous root biomass (RHT), total Scots pine root biomass (RPT), stand root biomass including ... to irradiance and competitionfrom the surrounding vegetation, we studied biomass incre-ment, biomass allocation, foliar and fine -root morphology overtwo seasons in two-year-old beech seedlings...