榕树气根作为附属器官,其吸收空气中的水份及氮素,为补充榕体的水份蒸腾散失及榕树生长对养份的需求起着辅助的作用。一般情况下,在阴湿环境中生长的榕树,其冠幅大,水份蒸腾散失量也大,而此时仅靠根部吸取水肥已供不应求。为保持生理上的供需平衡,榕树则需抽发气根。因此,在垂丝榕盆景制作中,常先对榕树进行促成培养,以扩大冠幅,使其枝繁叶茂,造就易于促 Banyan root as an appendage organ, which absorbs moisture and nitrogen in the air, in order to supplement the loss of water evaporation and the banyan tree banyan growth plays an auxiliary role in the demand for nutrients. Under normal circumstances, the banyan tree growing in a damp environment, its crown width, water vapor loss is also large, but only by the root to absorb water and fertilizer has been in short supply. In order to maintain the physiological balance between supply and demand, banyan need to pump out the root. Therefore, in the silk banyan bonsai production, often first to promote banyan cultivation, to expand the crown to make it flourishing, easy to create