Survival and Juvenile Growth of Populus ×euramericana (Dode) Guineir cv.‘Neva’ Cuttings from Stem and Branch of Different Parent Shoots and Planting Spaces Effects of the Position on Floral Traits and Reproductive Success of Comastoma pulmonarium (Gentianaceae) Temperature Dynamic During the Sewage Sludge Composting Process Cultivation of Young stock Plants and Selection of Cuttings in Chinese Fir Scion-plucking Garden Effects of position on nectar secretion and fruit set of Epimedium wushanense Fragment Propagation and Colonization Ability Enhanced and Varied at Node Level after Escaping from Apical Dominance in Submerged Macrophytes