新型低压水冲植柳技术下插条外露高度与其生长状况研究
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林业行业科研专项“风积沙产业化利用及其迹地植被营建技术研究”(201204205);国家重点基础研究发展计划(2009CB825103)


Relationship Between Exposed Heights and Growth Status of Salix Cuttings Using New Planting Technique with Low Pressure Water Blowing
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    摘要:

    沙柳是库布其沙漠广泛分布的优势灌木树种。该树种具有耐旱,抗风蚀,耐沙埋的特点,且生长迅速,其防风固沙和保持水土功效显著。采用新型低压水冲植柳技术在沙丘迎风坡坡底种植沙柳,试验选用直径一致的沙柳插条,设置0,5,10,15cm共4个不同外露高度插条进行沙柳造林。在造林5和8月份分别在萌蘖期和生长期对沙柳生长状况进行了调查。研究表明,外露高度10cm和外露高度15cm的水冲植柳在萌蘖期的出芽数和新枝枝长要明显优于其他外露高度的水冲植柳;外露高度10cm的水冲植柳成活率、生长期的总枝数、新枝长、新枝直径、株高和冠幅长势最好。

    Abstract:

    Salixis a dominant shrub species widely distributed in Kubuqi Desert,with strong resistance todrought,wind erosion and sand burial owing to its fast growing rate.It has significant benefits in windbreak,sand fixation,soil and and water conservation.With the new water blowing technique,we plantedSalixin the bottom of upwind slope using cuttings of same diameter and four different exposed heights(0,5,10and 15cm).The growing status of Salix was monitored in its germination period(May)and growingperiod(August).The study results showed that budding number and new branch lengths for the exposedheights of 10cm and 15cm were substantially better than the other two exposed heights.The exposed heightof 10cm was found superior in terms of survival rate,total budding numbers in growing period,new branchlength and diameter,tree height and canopy diameter.

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王文彪,王钟涛,尹晓伟,汪季,党晓宏,张吉树,王健.新型低压水冲植柳技术下插条外露高度与其生长状况研究[J].水土保持通报,2013,(2):135-137,143

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  • 收稿日期:2012-04-24
  • 最后修改日期:2012-05-22
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  • 在线发布日期: 2014-11-12
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