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han zai miao mu sun shi yuan yin fen xi yu dui ce
Author(s): 
Pages: 32-33+36
Year: Issue:  4
Journal: Water Resources Science and Technology of Shandong

Keyword:  原因分析苗木损失造林成活率苗木质量苗木成活率项目区旱灾预整地死亡率抚育管理;
Abstract: 旱灾苗木损失原因分析与对策李晓李雪东(山东省水科院)(山东省水利厅)1概述1992、1994年两次旱灾给粮援项目区的造林工作带来很大损失,损失各类苗木4092万多株(不含沂源、邹城、泗水三县1994年的旱灾数,下同),折款458万多元。如何减轻干旱对...
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