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Forest and Grassland Resources Research >

2017 , Vol. 0 >Issue 5: 39 - 44

DOI: https://doi.org/10.13466/j.cnki.lyzygl.2017.05.008

Scientific Research

Study on the Growth of Scotch Pine in Saihanba Area

  • Yu ZHAO ,
  • Fei ZHANG ,
  • Zhongqi XU ,
  • Yan ZHANG ,
  • Shun CHENG ,
  • Tongxiang CUI
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  • 1. College of Forestry,Agricultural University of Hebei,Baoding,Hebei 071000,China
    2. Sanhanba Mechanical Forest Farm,Weichang,Hebei 068450,China

Received date: 2017-06-16

  Revised date: 2017-09-26

  Online published: 2020-09-24

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Abstract

In order to understand the growth pattern of Scotch pine(Pinus sylvesris.var.mongolica) plantation in Saihanba,Hebei province,the growth of DBH and height of Scotch pine planted in different sites of the Saihanba were investigated.The results showed that the annual increment of DBH of Scotch pine increased until 10 years,and reached a peak of 0.90~1.20cm/a at about 10 years,then decreased and reached a relatively stable level after 20 years,with an annual increment of about 0.4~0.5cm/a.Thinning should be carried out for Scotch pine plantation to promote the growth of DBH.The annual increment of tree height of Scotch pine increased till 12~13 years,and reached the peak of about 69.99cm/a at about 12~13 years,then decreased slightly to a stable level,about 40cm/a.The growth of Scotch pine in Class I sites was higher than that of Class II sites.The growth of Scotch pine in Saihanba was higher than that of most of other areas,including Heilongjiang province and Inner Mongolia.

Key words： Saihanba; Scotch pine; tree height; DBH

Cite this article

Yu ZHAO , Fei ZHANG , Zhongqi XU , Yan ZHANG , Shun CHENG , Tongxiang CUI . Study on the Growth of Scotch Pine in Saihanba Area[J]. Forest and Grassland Resources Research, 2017 , 0(5) : 39 -44 . DOI: 10.13466/j.cnki.lyzygl.2017.05.008

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