Effects of Farmland Shelterbelt by Willows and Their Shading Performances

YANG Bin; SHI Peixian; LIU Shuming

doi:11894/1005-829x.2008.28(1).34

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Effects of Farmland Shelterbelt by Willows and Their Shading Performances

- Effects of Farmland Shelterbelt by Willows and Their Shading Performances
- Bulletin of Soiland Water Conservation Vol. 27, Issue 1, Pages: 34-38(2008)
- 作者机构：
  
  1. 甘肃省林业科技推广总站,甘肃,兰州,730046
  2. 临夏州林业科学研究所,甘肃,临夏,731801
  3. 西北农林科技大学理学院, 陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：11894/1005-829x.2008.28(1).34
  CLC： S723.132.5
- Published：2008
- 稿件说明：
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YANG Bin, SHI Peixian, LIU Shuming. Effects of Farmland Shelterbelt by Willows and Their Shading Performances[J]. Bulletin of Soiland Water Conservation, 2008, 27(1): 34-38.
DOI：

YANG Bin, SHI Peixian, LIU Shuming. Effects of Farmland Shelterbelt by Willows and Their Shading Performances[J]. Bulletin of Soiland Water Conservation, 2008, 27(1): 34-38. DOI： 11894/1005-829x.2008.28(1).34.

摘要

以苏柳无性系和青刚柳营造农田防护林试验

结果发现

J194柳的成活率和保存率最高

分别达到96.6%和93.2%。不同树种(或无性系)

不同株行距的成活率及保存率差异不明显。苏柳无性系的树高生长显著大于青刚柳

表明苏柳无性系更适于农田防护林的营造。对J172柳在农田防护林的遮荫作用进行研究

结果发现

柳树(株行距3m×6m)6a生的遮荫指数为56.62%

遮荫程度为13.31%。13%的遮荫程度是柳树农田防护林的最高遮荫上限

柳树生长到第5a以后

应适当间伐。

Abstract

Effects of afforestation of farmland shelterbeltwith clones or cultivars of S alix jiangsuensis and S. viminalis and their shading performances were investigated. Results showed thatboth survival and preservation rates of the S. jiangsuensis 194 were 96. 6 and 93. 2 %

respectively. There were no differences of survival and preservation rates among differentcultivars or clones and differentplanting spaces. Tree heightin-crementof S. jiangsuensis was higher than thatof S. viminalis

indicating thatS. jiangsuensis is a suitable species for farmland shelterbelt. Shading index and shading degree of the 62year-old S. jiangsuensis 172 (spacing 3 m ×6 m) were 56. 62 % and 13. 31 %

respectively

exceeding the upper limitof farmland shelterbelt. Therefore

the S. jiangsuensis 172 should be shinned properly in the fifth year of planting to meetthe related standards.

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Related Institution

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