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为使我省杨树育种工作者,更好地借鉴外省育种方面的经验.本刊将辽宁省林业科学研究所张立功、张永华两位同志投寄本刊的《杨树杂交育种的研究》一文发表,供参考。
In order to make poplar breeding workers in our province better learn from foreign experience in breeding, we published two articles by Comrades Zhang Licong and Zhang Yonghua of Liaoning Provincial Forestry Research Institute on Hybrid Breeding of Poplar Published for reference.