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bao tou di qu shu ma que zhuang kuang de chu bu guan cha
Author(s): 
Pages: 42-43
Year: Issue:  6
Journal: YINSHAN ACADEMIC JOURNAL

Keyword:  包头地区树麻雀控制害虫;
Abstract: 1995年以来对包头地区树麻雀的种群动态、取食、对农林害虫的控制作用等方面做了一些初步的观察和研究工作,现报导如下:
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