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qiu ling di ban li di chan yuan gai zao ji shu
Author(s): 
Pages: 41-41
Year: Issue:  4
Journal: Deciduous Fruits

Abstract: 沂水县杨庄镇现有板栗园666.7hm2,多为1978~2005年栽植。前些年大多数园片管理粗放,甚至放弃管理,造成产量低,效益差。2007年开始笔者进行了低产园改造试验,取得了良好的效果。
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