[1]俞元春,何晟,李炳凯,等.杉林土壤溶解有机碳吸附及影响因素分析[J].南京林业大学学报(自然科学版),2005,29(02):015-18.[doi:10.3969/j.jssn.1000-2006.2005.02.004]
 YU Yuan-chun,HE Sheng,LI Bing-kai,et al.The Dissolved Organic Carbon (DOC) Adsorption and Its Influence Factor on the Soil of Chinese Fir Plantation[J].Journal of Nanjing Forestry University(Natural Science Edition),2005,29(02):015-18.[doi:10.3969/j.jssn.1000-2006.2005.02.004]
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杉林土壤溶解有机碳吸附及影响因素分析
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
29
期数:
2005年02期
页码:
015-18
栏目:
研究论文
出版日期:
2005-02-20

文章信息/Info

Title:
The Dissolved Organic Carbon (DOC) Adsorption and Its Influence Factor on the Soil of Chinese Fir Plantation
文章编号:
1000-2006(2005)02-0015-04
作者:
俞元春1何晟1李炳凯2李淑芬3姜德锋1
1. 南京林业大学森林资源与环境学院, 江苏 南京 210037; 2. 南京森林公安高等专科学校, 江苏 南京 210042; 3. 金陵科技学院, 江苏 南京 210038
Author(s):
YU Yuan-chun1 HE Sheng1 LI Bing-kai2 LI Shu-fen3 JIANG De-feng1
1. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China; 2. Nanjing Forestry Police College, Nanjing 210042, China; 3. Jinling College of Science and Technology, Nanjing 210038, China
关键词:
森林土壤 溶解有机碳(DOC) 吸附 机制 原始物质吸附等温线
Keywords:
Forest soil Dissolved organic carbon (DOC) Adsorntion Mechanism IM isotherm
分类号:
S714
DOI:
10.3969/j.jssn.1000-2006.2005.02.004
文献标志码:
A
摘要:
<正>以无菌苗叶片为外植体进行了赤桉不定芽的诱导及植株再生。结果表明,在MS+0.8mg/LBA+0.3mg/LKT+0.05mg/LNAA的培养基上,丛生芽诱导率为35.4%;附加0.8mg/’LBA+0.05rng/LTDZ+0.1mg/LNAA的MS培养基能促进赤桉不定芽的诱导,其诱导率达42.9%;暗培养10d能促进不定芽的分化。当芽长至2~3cm时,切下生长健壮的芽并接入生根培养基,生根率达lOO%,移栽成活率超过80%。
Abstract:
Dissolved organic carbon(DOC) adsorption and its influence factor on the soil of Chinese fir plantation were s~udied with [M isotherm in laboratory experiments. The quantities of DOC adsorption in the lower soil are greater than that of the upper soil. There were remarkable linear relations between the quantity of DOC adsorption on soils and the initial DOC concentration in the solution before balanced, pH, concentrations of phosphorus, iron, and aluminum in solution affect the absorption of DOC obviously. There was highest DOC absorption at pH 5.0, and lowest at pH 7.0. Phosphorus in solution prevent the absorption of DOC, whereas Fe3+and A13+increase the DOC adsorption. The concentration of Fe3+in solution has greater influence on DOC absorption than that of aluminum. DOC affects the Fe3+, AP+dissolution greatly. The quantity and proportion of dissolved AP+are greater than that of Fe3+. The effects of DOC on Fe3+, AP+dissolution in lower soil are greater than that of upper soil.

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更新日期/Last Update: 2013-05-20