“开甲”就是对枣树进行环状剥皮。切断树干韧皮部后,使叶片制造的营养物质停止下运,有利于开花座果,提高产量和质量。一般开甲多用于多年不结果的枣树以促进其开花结果。枣树“开甲”以盛花期为宜,选择晴天进行。初次“开 ”Open arm “ is ring-shaped peeling jujube. Cut off the trunk of the phloem, the leaves of nutrients to stop shipping, is conducive to flowering and fruit, improve yield and quality. Generally open armor for many years unsuccessful jujube to promote its flowering results. Jujube ”open armor“ to flowering period is appropriate, choose sunny days. First time ”open