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当前位置: 首页 > 文章 > 巨尾桉、马大相思混交林生长和生态效益研究 桉树科技 2008,25 (1) 15-18
Position: Home > Articles > Study on the Growth and Ecological Benefit of Mixed Stand of Eucalyptus grandis × E.urophylla and Acacia mangium × A.auriculiformis Eucalypt Science & Technology 2008,25 (1) 15-18

巨尾桉、马大相思混交林生长和生态效益研究

作  者：
韩金发;姚庆端;洪长福;林武星
单  位：
漳州市林业局;岩溪国有林场;福建省林业科学研究院
关键词：
巨尾桉;马大相思;混交林;纯林;土壤分析
摘  要：
对4年生的巨尾桉马大相思混交林生长量、林内小气候和土壤理化性质进行了研究分析,结果表明:混交林中巨尾桉平均胸径和平均单株材积与巨尾桉纯林相比分别大6.3%和9.7%;混交林林内空气湿度比纯林高3.8%,而林内气温、土温和林内光照强度与纯林相比分别降低了6.0%、3.4%、14.6%;混交林土壤容重比纯林小9.6%,而最大持水量、毛管持水量、毛管孔隙度、非毛管空隙度、总孔隙度和通气度分别比纯林大6.9%、8.8%、9.1%、13.6%、9.8%和9.9%。混交林土壤有机质、全氮、全磷、水解氮、速效氮、速效钾含量与纯林相比,分别高55.45%、34.25%、30.65%、11.07%、63.76%和8.7%。说明巨尾桉与马大相思混交有利于促进巨尾桉生长,能改善林内小环境和提高土壤肥力。
译  名：
Study on the Growth and Ecological Benefit of Mixed Stand of Eucalyptus grandis × E.urophylla and Acacia mangium × A.auriculiformis
作  者：
HAN Jin-fa1, YAO Qing-duan1, HONG Chang-fu2, LIN Wu-xing3( 1.Zhangzhou Forestry Bureau,Zhangzhou 363000,Fujian,China; 2.Yanxi Forest Farm,Changtai 363902,Fujian,China; 3.Forestry Academy of Fujian,Fuzhou 350012,Fujian,China)
关键词：
E.grandis×E.urophylla; A.mangium×A.auriculiformis; mixed stand; pure stand; soil physical and chemical character
摘  要：
The growing increment, climate in the stand, soil physical and chemical character of the 4-year-old mixed stand of E.grandis ×E.urophylla and A.mangium×A.auriculiformis were studied. The results showed that the average DBH and individual volume of E.grandis×E.urophylla mixed stand was more 6.3% and 9.7% than that of E.grandis×E.urophylla stand respectively; The water holding capacity, capillary water capacity, capillary porosity, non-capillary porosity and total porosity of soil in the mixed stand was more 6.9%,8.8%,9.1%,13.6%,9.8% respectively than those of the E.grandis×E.urophylla stand while the bulk density was less 9.6% than that of the pure stand. The content of organic matter, total N, total P, hydrolytic N, available N and K in the soil of mixed stand was more 55.45%,34.25%,30.65%,11.07%,63.76% and 8.7% respectively than those of the E.grandis×E.urophylla stand. The results indicated that E.grandis×E.urophylla stand mixed with A.mangium×A.auriculiformis could greatly promote the growth and improve climatic condition and soil fertility of the stand.

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