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| 1990年总目录 | |
| 摘 要： | 题目作者页码刊期O山Q一O曰2 20︸Q︸3八jn︸J cj。JJ斗月任注‘左二J件︸匕一匕一O一0 1.a ·种苗造林·次生林伐前红松更新试验研究·····················……吉林市林业科学研究所等(1)杨树品种生产试验研究报告····················,························……崔景山等(7)红松顶芽嫁接技术·························································……厉凤舞等(9)半干早地区小黑杨密度试验研究… |
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