[1]王纪杰,王炳南,李宝福,等.不同林龄巨尾桉人工林土壤养分变化[J].森林与环境学报,2016,36(01):8-14.[doi:10.13324/j.cnki.jfcf.2016.01.002]
 WANG Jijie,WANG Bingnan,LI Baofu,et al.Soil nutrient dynamics in Eucalyptus urophylla×Eucalyptus grandis plantation at different ages[J].,2016,36(01):8-14.[doi:10.13324/j.cnki.jfcf.2016.01.002]
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不同林龄巨尾桉人工林土壤养分变化()
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《森林与环境学报》[ISSN:2096-0018/CN:35-1327/S]

卷:
36
期数:
2016年01期
页码:
8-14
栏目:
出版日期:
2016-01-15

文章信息/Info

Title:
Soil nutrient dynamics in Eucalyptus urophylla×Eucalyptus grandis plantation at different ages
作者:
王纪杰1 王炳南2 李宝福3 俞元春4
1. 四川省林业调查规划院, 四川 成都 610081;
2. 福建省长泰岩溪国有林场, 福建 长泰 363902;
3. 福建省林业科学研究院, 福建 福州 350012;
4. 南京林业大学生物与环境学院, 江苏 南京 210037
Author(s):
WANG Jijie1 WANG Bingnan2 LI Baofu3 YU Yuanchun4
1. Sichuan Forestry Inventory and Planning Institute, Chengdu, Sichuan 610081, China;
2. Fujian Changtai Yanxi National Forest Farm, Changtai, Fujian 363902, China;
3. Fujian Academy of Forestry, Fuzhou, Fujian 350012, China;
4. College of Biology and Environment, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
关键词:
巨尾桉人工林土壤养分土壤肥力有效硼
Keywords:
Eucalyptus urophylla×E.grandisplantationsoil nutrientsoil fertilityavailable boron
分类号:
S714.7
DOI:
10.13324/j.cnki.jfcf.2016.01.002
摘要:
对福建省漳州市1-6 a的巨尾桉(Eucalyptus urophylla×E. grandis)人工林土壤(0-60 cm)养分进行研究。结果表明:桉树人工林土壤pH随林龄增加而升高,有效硼的变化规律与pH相反;土壤有机质、全氮、水解氮、全磷、有效磷、全钾和速效钾含量及阳离子交换量均表现为随林龄增加而显著下降,随土层深度增加而下降(全钾含量随土层深度增加而升高)。相关关系分析发现,pH与土壤有机质、全氮、有效钾、有效硼呈显著或极显著负相关关系。主成分分析法对土壤肥力进行评价,林分土壤肥力得分依次为:1 a> 2 a> 3 a> 4 a> 6 a。影响土壤肥力的主要因子是全钾、有机质、全磷、水解氮、有效硼。因此,在桉树人工林经营过程中,应注重测土配方施肥和营养诊断施肥;注重无机肥、有机肥、菌肥的配施;注重对磷肥、硼肥的施用,控制地力衰退。
Abstract:
To meet the nutrient demand and sustainability of plantation, soil nutrient contents of E.grandis plantation that aged from 1-6 years old were investigated at three soil depths (0-20 cm, 20-40 cm and 40-60 cm) in Zhangzhou, Fujian. Results showed that except soil pH that increased with age (P<0.05), soil organic matter (SOM), total nitrogen (TN), hydrolysable nitrogen (HN), total phosphorus (TP), available phosphorus (AP), total potassium (TK), available potassium (AK), available boron (AB) and CEC all decreased with age and soil depth (except TK increased with soil depth). Negative correlations were all found between pH and SOM (P<0.05), pH and TN (P<0.01), AK (P<0.01), AB (P<0.01). Principal component analysis was used to test the soil fertility and was found the overall soil fertility decreased with plantation age. And the factors that dominating soil fertility were TK, SOM, TP, HN and AB. To summarize, soil nutrient diagnosis should be incorporated into plantation fertilization to maintain a balanced nutrient level. Organic fertilizer, biofertilzier, especially phosphorate and boron that are more likely to be lacking, should be taken care of during rotation period of aged plantation.

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备注/Memo

备注/Memo:
收稿日期:2015-5-8;改回日期:2015-8-12。
基金项目:林业科技成果国家级推广项目([2015]41号);国家林业公益性行业科研专项(200804040)。
作者简介:王纪杰(1981-),女,高级工程师,博士,从事森林土壤研究及林业调查规划设计。E-mail:kxxbs2015@126.com。
通讯作者:俞元春(1961-),男,教授,博士,从事森林土壤研究。E-mail:ycyu@njfu.com.cn。
更新日期/Last Update: 1900-01-01