... College London, 1981 [30] Nilsson U., Gemmel P., Löf M., Welander T., Germination and early growth of sown Quercus robur L in relation to soil preparation, sowing depths and prevention against predation, ... Growth and morphology of pedunculate oak (Quercus robur L.) and beech (Fagus sylvatica L.) seedlings in relation to shading and drought, Ann Sci For 54 (1996) 9–18 [38] Welander N.T., Ottosson ... The influence of shading on growth and morphology in seedlings of Quercus robur L and Fagus sylvatica L., For Ecol Manage 107 (1998) 117–126 [39] Willoughby I., Clay D., Dixon F., The effect of...