[1]张水锋,张思玉*,张金池,等.火烧对杨树人工林土壤有机碳及速效养分的影响[J].浙江林业科技,2016,36(02):9-14.
 ZHANG Shui-feng,ZHANG Si-yu*,ZHANG Jin-chi,et al.Effect of Planned Fire on Soil Organic Carbon and Available Nutrients of Poplar Plantation[J].Journal of Zhejiang Forestry Science and Technology,2016,36(02):9-14.
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火烧对杨树人工林土壤有机碳及速效养分的影响()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
36
期数:
2016年02期
页码:
9-14
栏目:
出版日期:
2016-08-18

文章信息/Info

Title:
Effect of Planned Fire on Soil Organic Carbon and Available Nutrients of Poplar Plantation
作者:
张水锋12张思玉1*张金池2彭徐剑1田野2李广元1李卫正3
1. 南京森林警察学院,江苏 南京 210023;2. 南京林业大学 江苏省水土保持与生态修复重点实验室,江苏 南京 210037; 3. 南京林业大学 现代分析测试中心,江苏 南京 210037
Author(s):
ZHANG Shui-feng12ZHANG Si-yu1*ZHANG Jin-chi2PENG Xu-jian1TIAN Ye2LI Guang-yuan1LI Wei-zheng3
1. Nanjing Forest Police College, Nanjing 210023, China; 2. Jiangsu Key Laboratory of Soil and Water Conservation and Ecological Restoration, Nanjing Forestry University, Nanjing 210037, China; 3. Modern Forecasting and Analysis Center, Nanjing Forestry University, Nanjing 210037, China
关键词:
杨树点烧土壤养分有机碳速效养分
Keywords:
poplar plantationplanned fire soil nutrient organic carbon available nutrient
分类号:
S714.2
文献标志码:
A
摘要:
2014年5月4日对江苏省南京市一杨树人工林进行不同火强度点烧试验,5月3日和4日在试验前后分别采取土样,研究火烧后样地土壤有机碳与速效养分含量的即时变异。结果表明:火烧后24 h,土壤pH、速效磷和速效钾含量随着土壤深度的增加而减少,却随着火强度的增强而增加;土壤有机碳含量则降低,且随着土壤深度的增加其降幅减小,随着火强度的增加其降幅增大;土壤水解氮含量在高强度火烧下的0 ~ 5、5 ~ 10 cm土层以及中强度火烧下的0 ~ 5 cm土层是降低的,其他土层的水解氮含量是增加的;林火强度与土壤pH、速效磷和速效钾含量呈正相关,而与土壤有机碳含量则呈负相关。
Abstract:
Planned fire was implemented on May 4, 2014 at poplar plantation in Nanjing, Jiangsu province. On May 3 and May 5 of the same year, soil samples were collected in the same place to analyze instant variation of soil organic carbon and available nutrients before and after planned fire. The result showed that 24 hours later of planned fire, soil pH value, available phosphorus and potassium contents decreased with the deepness of soil layer, but increased with the intensity of fire. Soil organic carbon content decreased with deepness of soil layer. Soil hydrolysable nitrogen content decreased at 0-5cm and 5-10cm layers under the high-intensity fire, as well as at 0-5cm layer under the moderate-intensity fire. The experiment demonstrated that fire intensity had positive relation with pH value, available phosphorus and potassium, and negative one with organic carbon content.

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备注/Memo

备注/Memo:
收稿日期:2015-10-14;修回日期:2016-02-21 基金项目:中央高校基本科研业务费专项资金项目(No: LGYB201514)和948项目(No:2013-4-65)联合资助 作者简介:张水锋(1986-),男,助教,主要从事火烧迹地土壤侵蚀与控制研究;*通讯作者。
更新日期/Last Update: 2016-04-20