[1]朱孔鑫,王会利,覃祚玉,等.绿肥套种对桉树人工林地力提升及林木生长的影响[J].浙江林业科技,2021,41(06):37-43.[doi:10.3969/j.issn.1001-3776.2021.06.006]
 ZHU Kong-xin,WANG Hui-li,QIN Zuo-yu,et al.Effect of Green Manure Crop Interplanting on Soil Fertility and Plant Growth of Eucalyptus urophylla×E. grandis Plantation[J].Journal of Zhejiang Forestry Science and Technology,2021,41(06):37-43.[doi:10.3969/j.issn.1001-3776.2021.06.006]
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绿肥套种对桉树人工林地力提升及林木生长的影响()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
41
期数:
2021年06期
页码:
37-43
栏目:
出版日期:
2021-12-10

文章信息/Info

Title:
Effect of Green Manure Crop Interplanting on Soil Fertility and Plant Growth of Eucalyptus urophylla×E. grandis Plantation
文章编号:
1001-3776(2021)06-0037-07
作者:
朱孔鑫12王会利3覃祚玉3唐健3邓小军3曹继钊3王艮梅1庄舜尧2
(1. 南京林业大学林学院,江苏南京 210037;2. 中国科学院南京土壤研究所,江苏南京 210008; 3. 广西林业科学研究院,广西南宁 530002)
Author(s):
ZHU Kong-xin12WANG Hui-li3QIN Zuo-yu3TANG Jian3DENG Xiao-jun3CAO Ji-zhao3WANG Gen-mei1ZHUANG Shun-yao2
(1. Forestry College, Nanjing Forestry University, Nanjing 210037, China; 2. Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; 3. Academy of Forestry Research of Guangxi Zuuang Autonomous Region, Nanning 530002, China)
关键词:
绿肥套种桉树人工林土壤地力白灰毛豆田菁
Keywords:
green manure interplanting Eucalyptus urophylla×E. grandis plantation soil fertility Tephrosia candida Sesbania cannabina
分类号:
S723.8
DOI:
10.3969/j.issn.1001-3776.2021.06.006
文献标志码:
A
摘要:
为有效提升桉树(巨尾桉Eucalyptus urophylla×E. grandis)人工林的土壤地力及改善林木生长,2019年6月—2020年5月,在广西东门林场进行桉树林下套种豆科Fabaceae绿肥(白灰毛豆Tephrosia candida,TC;田菁Sesbania cannabina,SC)的田间试验,分析林下土壤理化性质的变化,调查桉树生长状况,探究绿肥套种对桉树人工林生长的影响。研究结果表明:套种白灰毛豆和田菁套种一年后,桉树林下土壤有机质含量较对照组(不套种)分别增加了9.66%和18.44%;土壤速效氮、磷、钾含量也有显著增加(P<0.05);桉树林木的单位面积材积增量比对照分别增加了46.81%和35.47%。采用模糊数学法对土壤肥力进行评价,并计算土壤肥力指数(IFI),结果表明,绿肥套种可增加IFI值(SC>TC>CK)。进一步的相关性分析表明,桉树树高与IFI呈极显著正相关(P<0.01)。可见,桉树人工林套种绿肥能够有效提升地力,促进桉树的生长,但不同绿肥品种的效果存在差异。本研究结果可为桉树人工林的套种绿肥种类选择及可持续经营提供参考。
Abstract:
On June 5th, 2019, experiments were condcut on interplanting Tephrosia candida and Sesbania cannabina under Eucalyptus urophylla×E. grandis plantation in Dongmen Forest Farm of Guangxi. On May 15th, 2020 determinations were implemented on soil nutrient content, tree growth. The results showed that interplanting T. candida and S. cannabina increased soil organic matter by 9.66% and 18.44%, as well as soil available nitrogen, phosphorus and potassium (P<0.05), unit area timber volume increased by 46.81% and 35.47%, compared with that of the control. Using the Integrated fertility index (IFI) was evaluated by fuzzy mathematics method. Results suggested that IFI was followed by interplanting S. cannabina> T. candida>CK. Regression analysis indicated that the tree height had significantly positive relation with IFI (P<0.01).

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备注/Memo

备注/Memo:
收稿日期:2021-05-07;修回日期:2021-09-13
基金项目:广西创新驱动发展专项资金项目课题(桂科AA17204087-11)
作者简介:朱孔鑫,硕士研究生,从事人工林地力培育研究;E-mail:18702621803@163.com。通信作者:庄舜尧,研究员,博士,从事林地生态系统碳氮循环工作;E-mail: syzhuang@issas.ac.cn。
更新日期/Last Update: 2021-12-01