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通过开展管理水平相同,敦煌大枣夏季修剪与不修剪、不同夏季修剪时间、不同夏季修剪强度的对比试验,总结出:枣树进行夏季修剪是提高产量的一项很好的增产技术措施,投入少,效益高;修剪的最佳时间从5月下旬开始到6月中旬结束;枣树夏季修剪强度以留2~3个二次枝为宜,一般不超过4个为宜。
By carrying out the same level of management, summer pruning and no pruning of Dunhuang Jujube in summer, different pruning time in summer and different pruning intensities in summer, it is concluded that summer pruning of jujube tree is a good technical measure to increase yield, Less, high efficiency; pruning the best time from the beginning of late May to the end of June; jujube summer pruning strength to stay 2-3 secondary branches is appropriate, generally not more than 4 is appropriate.