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本文是波兰果树栽培考察组别尼翁日克教授1973年10月13日在辽宁省熊岳农科所所做的学术报告,本刊作了删节,供果树工作者参考。
This article is the Polish fruit tree cultivation inspection team Professor Leonid Weng Unger on October 13, 1973 in Liaoning Province Xiong Yue Agricultural Institute made an academic report, this publication was abridged for reference fruit tree workers.