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Closed canopy apple orchards in Shandong:type,problems and solutions
Author(s): 
Pages: 13-14
Year: Issue:  3
Journal: Deciduous Fruits

Abstract: 对山东省苹果产区密闭园情况进行调查,结果表明山东省存在3种类型的密闭园(乔化密植型、矮砧密植型、矮化密植型).分析了密闭园的主要表现特征及其形成原因,提出了密闭园改造的必要性及6项改造目标任务.
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