[1]赵江宁,李盛婷,徐秋宇,等. 不同栽培模式和立地条件对楸树人工林生长的影响[J].西北林学院学报,2020,35(3):106-113.[doi:10.3969/j.issn.1001-7461.2020.03.17]
　ZHAO Jiang-ning,LI Sheng-ting,XU Qiu-yu,et al. Effects of Different Cultivation Patterns and Site Conditions on the Growth of Catalpa bungei Plantations[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2020,35(3):106-113.[doi:10.3969/j.issn.1001-7461.2020.03.17]
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 不同栽培模式和立地条件对楸树人工林生长的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第35卷
期数:
2020年第3期
页码:
106-113
栏目:
出版日期:
2020-05-31

文章信息/Info

Title:
 Effects of Different Cultivation Patterns and Site Conditions on the Growth of Catalpa bungei Plantations
文章编号:
1001-7461(2020)03-0106-08
作者:
 赵江宁; 李盛婷; 徐秋宇; 邱权; 李吉跃; 苏艳; 何茜*
 （华南农业大学 林学与风景园林学院，广东 广州 510642）
Author(s):
 ZHAO Jiang-ning; LI Sheng-ting; XU Qiu-yu; QIU Quan; LI Ji-yue; SU Yan; HE Qian*
 (College of Forestry and Landscape Architecture,South China Agricultural University,Guangzhou 510642,Guangdong,China)
关键词:
 ; 栽培模式; 立地条件; 楸树
Keywords:
 ; cultivation pattern;  site condition;  Catalpa bungei
分类号:
S792.99
DOI:
10.3969/j.issn.1001-7461.2020.03.17
文献标志码:
A
摘要:
 以河南省洛阳市洛宁县的楸树人工林为研究对象，对比分析不同栽培模式和立地条件下楸树的生长状况。结果表明：1）由于林分密度和土壤性质的差别，农林间作条件下楸树的生长情况显著优于非农林间作；2）低密度条件下楸树的生长情况更好，但高密度条件下楸树的每公顷蓄积量更高；3）在进行非农林间作的30年生楸树林中，缓坡条件下的树高和胸径比陡坡分别增长了31.30%和40.48%，下坡位条件下的树高和胸径比上坡位分别增长了22.52%和25.97%，不同坡向条件下的树高和胸径无明显差异；4）土壤中的养分含量（有机质、全N、全P、碱解N和有效P）是促进楸树生长的关键因子，按贡献率大小排序为：有效P、碱解N>全N、全P>有机质。所以，在河南省洛阳市洛宁县及周边地区进行楸树栽培时，应选择农林间作（低密度）+非农林间作（高密度+缓坡+下坡位）的方式。
Abstract:
 Taking the plantations of Catalpa bungei in Luoning County of Luoyang City,Henan Province as research objects,a comparative study was carried out on the growth of C.bungei under different cultivation patterns and site conditions.The results showed that 1) due to the differences in stand density and soil properties,the growth of C.bungei under agro-forestry pattern was significantly better than that under forestry pattern.2) The growth with low density was better than with high density,but the volume per hectare with high density was higher.3) In the 30-year-old plantations under forestry pattern,the height and diameter at breast height (DBH) in gentle slope increased by 31.30% and 40.48%,respectively compared to those in steep slope.At the same time,the height and DBH in the downslope increased by 22.52% and 25.97%,respectively compared to those in upslope.In addition,there was no significant difference in height and DBH in different slope aspects.4) The nutrient contents (organic matter,total nitrogen,total phosphorus,alkaline nitrogen and available phosphorus) in the soils were key factors in promoting the growth,and they were sorted according to the contribution rate as alkaline nitrogen and available phosphorus>total nitrogen and total phosphorus>organic matter.Therefore,to cultivate C.bungei in Luoning County and its surrounding areas,it is preferable to adopt agro-forestry patter with low density,or forestry pattern with high density in gentle and down slope.

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备注/Memo

备注/Memo:
 收稿日期：2019-09-12修回日期：2019-10-20
基金项目：国家重点研发计划课题“楸树良种选育与高效培育技术研究”（2017YFD0600604）。
作者简介：赵江宁。研究方向：森林培育。E-mail:1561313145@qq.com
*通信作者：何茜，副教授。研究方向：森林培育与栽培生理生态。E-mail:heqian69@126.com
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