[1]郑旭,赵文静,刘兴满,等.苏北滨海盐渍土土壤基本性质及其对中山杉生长的影响[J].江苏农业学报,2023,(09):1854-1861.[doi:doi:10.3969/j.issn.1000-4440.2023.09.007]
　ZHENG Xu,ZHAO Wen-jing,LIU Xing-man,et al.Basic properties of coastal saline soil in northern Jiangsu and their effects on the growth of Taxodium ‘Zhongshanshan’[J].,2023,(09):1854-1861.[doi:doi:10.3969/j.issn.1000-4440.2023.09.007]
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苏北滨海盐渍土土壤基本性质及其对中山杉生长的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年09期
页码:
1854-1861
栏目:
耕作栽培·资源环境
出版日期:
2023-12-31

文章信息/Info

Title:
Basic properties of coastal saline soil in northern Jiangsu and their effects on the growth of Taxodium ‘Zhongshanshan’
作者:
郑旭1; 赵文静1; 刘兴满1; 张康2; 王文成3; 秦波2; 唐罗忠2
(1.连云港市农业科学院,江苏连云港222000；2.南京林业大学南方现代林业协同创新中心/南京林业大学林学院,江苏南京210037；3.江苏银宝林业有限公司,江苏盐城224100)
Author(s):
ZHENG Xu1; ZHAO Wen-jing1; LIU Xing-man1; ZHANG Kang2; WANG Wen-cheng3; QIN Bo2; TANG Luo-zhong2
(1.Lianyungang Academy of Agricultural Sciences, Lianyungang 222000, China;2.Co-innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University/College of Forestry, Nanjing Forestry University, Nanjing 210037, China;3.Jiangsu Yinbao Forestry Co., Ltd., Yancheng 224100, China)
关键词:
滨海盐渍土; 土壤含盐量; 中山杉; 成活率
Keywords:
coastal saline soil; soil salt content; Taxodium ‘Zhongshanshan’; survival rate
分类号:
S156.4
DOI:
doi:10.3969/j.issn.1000-4440.2023.09.007
文献标志码:
A
摘要:
通过对江苏省盐城市大丰区不同中山杉(Taxodium)造林地的土壤盐分含量、有机质含量等土壤性质指标及中山杉成活率、胸径和树高等生长指标调查,分析了不同指标之间的相互关系,明确了土壤含盐量对中山杉生长的影响。结果表明,12块造林样地0～50.0 cm深度范围的土壤含盐量为0.04%～0.80%,不同造林地之间的土壤含盐量差异较大；土壤有机质含量为4.37～11.52 g/kg,普遍偏低；土壤全氮含量与含盐量呈显著负相关,与有机质含量呈极显著正相关；中山杉的成活率、胸径以及树高与土壤含盐量之间均呈负相关关系,可用一元二次方程拟合土壤含盐量对中山杉生长指标的定量关系；当土壤盐分含量高于0.60%时,中山杉的成活率低于50%,胸径和树高明显偏低,当土壤盐分含量低于0.30%时,中山杉的成活率在80%以上,胸径和树高也比较正常。
Abstract:
Based on the investigation of soil salt content, organic matter content, tree survival rate, diameter at breast height (DBH) and tree height of Taxodium ‘Zhongshanshan’ in different afforestation sites in Dafeng District, Yancheng City, Jiangsu province, the relationship between soil properties and tree growth indices was analyzed. The influence of soil salt content on the growth of Taxodium ‘Zhongshanshan’ was clarified. The results showed that the soil salt content in the depth range of 0-50.0 cm in 12 afforestation sites was between 0.04% and 0.80%, and the difference in soil salt content among forestation sites was great. The content of soil organic matter was 4.37-11.52 g/kg, which was generally low. The soil total nitrogen content was significantly negatively correlated with the salt content and significantly positively correlated with the organic matter content. There was a negative correlation between the survival rate, DBH, tree height and soil salt content, and the quadratic polynomial equation could be used to describe the quantitative relationship between soil salt content and the growth indices of Taxodium ‘Zhongshanshan’. When the soil salt content was higher than 0.60%, the survival rate was less than 50%, and the DBH and tree height were significantly lower. When the soil salt content was lower than 0.30%, the survival rate of Taxodium ‘Zhongshanshan’ was more than 80%, and the DBH and tree height were also nearly to normal level.

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备注/Memo

备注/Memo:
收稿日期:2022-08-12基金项目:江苏省林业科技创新与推广项目[LYKJ(2021)30]作者简介:郑旭(1994-),男,江苏连云港人,硕士,实习研究员,主要从事耐盐树种研究。(E-mail)190716747@qq.com通讯作者:唐罗忠,(E-mail)luozhongtang@njfu.edu.cn
更新日期/Last Update: 2024-01-15