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作 者:王松波[1] 王颖[2] 孙长全 苑贤鸿 徐兴财 肖瑞江 庞旭红 龙水河
机构地区:[1]吉林省白石山林业局,吉林吉林132503 [2]吉林省力旺房地产开发公司,吉林长春130031
出 处:《吉林林业科技》2008年第3期13-20,共8页Journal of Jilin Forestry Science and Technology
摘 要:水曲柳与长白落叶松混交造林技术研究的结果表明,混交林中水曲柳的平均胸径、树高和单株材积分别为纯林的108.76%~123.71%、105.46%~114.59%和121.66%~161.26%;混交林中长白落叶松的平均胸径、树高和单株材积分别为纯林的127.78%~136.23%、104.07%~111.71%和179.8%~207.45%;双行混交的效果优于单行混交。混交林中长白落叶松24a生的单株平均材积为0.13007m3,为纯林单株材积的1.53倍。混交林的土壤养分含量较水曲柳和长白落叶松纯林平均提高了34.78%;减少了土壤容重,增加了土壤表层的孔隙度、持水量和通气度,改善了土壤的物理性状。The research on planting technique of mixed forest by Fraxinus mandshurica and Larix olgensis showed that: The average values of mixed Fraxinus mandshurica in diameter, height and individual volume were 108.76% to 123.71%, 105.46% to 114.59 % and 121.66% to 161.26% that of the pure forest, separately; and the values of mixed Larix olgensis were 127.78% to 136.23%, 104.07% to 111.71% and 179.8% to 207.45% that of the pure forest. The mixed effect was two-row better than single-row. The individual average vol...
分 类 号:S725.2[农业科学—林木遗传育种]
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