早春灌水能防止苹果幼树抽条苹果树抽条是指幼龄果树越冬后枝条失水干枯的现象，其症状表现是表皮皱缩和干裂，皮层和木质部变为黄白色，并常与冻害和日灼相伴发生。据河北省昌黎果树研究所在昌黎、卢龙、抚宁和青龙等县调查结果，幼树抽条表现多在２～３月间，轻则树体残... Early spring irrigation can prevent the young apple tree plucking Apple tree refers to the juvenile fruit trees after the winter dry branches of the phenomenon of dehydration, the symptoms are epidermal shrinkage and dry crack, cortex and xylem into yellow and white, and often with the frost damage and Sunburn accompanied by. According to the Changli Fruit Research Institute of Changli in Hebei Province, Lulong, Funing and Qinglong County, the results of the survey showed that the saplings were mostly in February-March, ranging from tree residues ...