文章摘要
Investigation and analysis on technical requirement of agricultural production
  
DOI：10.3969/j.issn.1004-874X.2010.10.077
Author NameAffiliation
刘淑香, 杨军玉, 曹克强 清苑县农业局,河北,清苑,071100
河北农业大学植物保护学院,河北,保定,071001 
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