Study on Nitrogen Transfer between Acacia melanoxylon and Eucalytups urophylla Seedlings

LIAO Shao-bo; LU Jun-kun; JIANG Ye-gen; WANG Sheng-kun

Volume 28 Issue 5

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Study on Nitrogen Transfer between Acacia melanoxylon and Eucalytups urophylla Seedlings

1.
Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, Guangdong, China

Received Date: 2015-05-08

Abstract

Nitrogen (N) can be transferred between plants. In order to remain N balance between plants and fertility of soil, mixture of N2-fixing plants and non-N2-fixing plants provide good system for forestry. To investigate whether the root isolation (e.g. complete isolation, partial isolation and no isolation) could account for the mixed Acacia melanoxylon and Eucalytups urophylla growth response and N transfer, the authors assessed N transfer by 15N-soil/leaf-label method in a pot study. The height, diameter and biomass of 7-month-old A. melanoxylon were lower when the root isolation reducing. By contrast, the growth index were significantly higher in E. urophylla grown under no isolation than that of grown in complete isolation, indicating E. urophylla owns stronger absorbing capacity than A. melanoxylon. In both 15N-soil/leaf-label treatments, the total 15N content of E. urophylla was significantly higher (5.0 and 59.6 times) in partial or no isolation than in complete isolation respectively. In 15N-soil-label status, the total 15N content in A. melanoxylon grown by no isolation were significantly lower than that of the other two isolation treatments. Nevertheless, by 15N-leaf-label, A. melanoxylon in complete isolation had significantly lower total 15N content than the other isolation treatments. Irrespective of the labeled status, A. melanoxylon always transferred the N to neighbor E. urophylla. The percentage and amount of N transfer increased with the root isolation reducing.
- Acacia melanoxylon,
- Eucalytups urophylla,
- nitrogen transfer,
- growth performance

References

[1]	Forrester D I, Bauhus J, Cowie A L, et al. Mixed-species plantations of Eucalyptus with nitrogen-fixing trees:A review[J]. Forest Ecology and Management,2006,233(2-3):211-230.
[2]	Moyer-Henry K A, Burton J W, Israel D W, et al. Nitrogen transfer between plants:a ¹⁵N natural abundance study with crop and weed species[J]. Plant and Soil,2006,282(1-2):7-20.
[3]	He X, Xu M, Qiu G Y, et al. Use of ¹⁵N stable isotope to quantify nitrogen transfer between mycorrhizal plants[J]. Journal of Plant Ecology,2009,2(3):107-118.
[4]	Høgh-Jensen H. The nitrogen transfer between plants:An important but difficult flux to quantify[J]. Plant and Soil,2006,282(1):1-5.
[5]	Hobbie E A, Högberg P. Nitrogen isotopes link mycorrhizal fungi and plants to nitrogen dynamics[J]. New Phytologist,2012,196(2):367-382.
[6]	Lu J K, Kang L H, Sprent J I, et al. Two-way transfer of nitrogen between Dalbergia odorifera and its hemiparasite Santalum album is enhanced when the host is effectively nodulated and fixing nitrogen[J]. Tree Physiology,2013,33(5):464-474.
[7]	Forrester D I, Schortemeyer M, Stock W D, et al. Assessing nitrogen fixation in mixed-and single-species plantations of Eucalyptus globulus and Acacia mearnsii[J]. Tree physiology,2007,27(9):1319-1328.
[8]	黄宇,冯宗炜,汪思龙,等. 杉木与固氮和非固氮树种混交对林地土壤质量和土壤水化学的影响[J]. 生态学报,2004,24(10):2192-2198.
[9]	杨曾奖,陈元,徐大平,等. 桉树与豆科植物混交种植对土壤速效养分的影响[J]. 生态学杂志,2006,25(7):725-730.
[10]	白嘉雨. 中国热带地区桉属树种的遗传改良回顾[M]//洪菊生,王豁然. 澳大利亚阔叶树研究. 北京:中国林业出版社,1993.
[11]	黄志宏,周国逸,张宁南,等. 用典型相关法分析尾叶桉人工林干季土壤水分影响因子[J]. 林业科学,2003,39(5):10-17.
[12]	余雪标,徐大平,龙腾,等. 连栽桉树人工林生长特性和树冠结构特征[J]. 林业科学,2000,36 (专刊1):137-142.
[13]	张宁南,许涵,徐大平,等.广东省尾巨桉和马占相思人工林林下植物多样性动态变化[J]. 林业科学研究,2009,22 (2):262-268.
[14]	杨木新. 黑木相思的经济价值及速生丰产栽培技术[J]. 现代农业科技,2007,(9):226-227.
[15]	马红. 黑木相思扦插繁殖技术及生根机理研究[D]. 福建农林大学,2007,5-6.
[16]	窦雅静,陆俊锟,康丽华,等. 黑木相思根瘤菌遗传多样性[J]. 微生物学报,2012,52(12):1439-1448.
[17]	Haynes R J, Goh K M. Ammonium and nitrate nutrition of plants[J]. Biological Reviews,1978,53(4):465-510.
[18]	McNeill A M, Wood M. ¹⁵N estimates of nitrogen fixation by white clover (Trifolium repens L.) growing in a mixture with ryegrass (Lolium perenne L.)[J]. Plant and Soil,1990,128(2):265-273.
[19]	Paynel F, Murray P J, Cliquet J B. Root exudates:a pathway for short-term N transfer from clover and ryegrass[J]. Plant and Soil,2001,229(2):235-243.
[20]	Frank D A, Evans R D, Tracy B F. The role of ammonia volatilization in controlling the natural ¹⁵N abundance of a grazed grassland[J]. Biogeochemistry,2004,68(2):169-178.
[21]	黄雪蔓,刘世荣,尤业明. 固氮树种对第二代桉树人工林土壤微生物生物量和结构的影响[J]. 林业科学研究,2014, 27(5):612-620.
[22]	黄雪蔓,刘世荣,尤业明. 第二代桉树人工纯林和混交林土壤呼吸及其组分研究[J]. 林业科学研究,2014,27(5):575-582.

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Study on Nitrogen Transfer between Acacia melanoxylon and Eucalytups urophylla Seedlings

1. Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, Guangdong, China

Received Date: 2015-05-08

Abstract: Nitrogen (N) can be transferred between plants. In order to remain N balance between plants and fertility of soil, mixture of N2-fixing plants and non-N2-fixing plants provide good system for forestry. To investigate whether the root isolation (e.g. complete isolation, partial isolation and no isolation) could account for the mixed Acacia melanoxylon and Eucalytups urophylla growth response and N transfer, the authors assessed N transfer by 15N-soil/leaf-label method in a pot study. The height, diameter and biomass of 7-month-old A. melanoxylon were lower when the root isolation reducing. By contrast, the growth index were significantly higher in E. urophylla grown under no isolation than that of grown in complete isolation, indicating E. urophylla owns stronger absorbing capacity than A. melanoxylon. In both 15N-soil/leaf-label treatments, the total 15N content of E. urophylla was significantly higher (5.0 and 59.6 times) in partial or no isolation than in complete isolation respectively. In 15N-soil-label status, the total 15N content in A. melanoxylon grown by no isolation were significantly lower than that of the other two isolation treatments. Nevertheless, by 15N-leaf-label, A. melanoxylon in complete isolation had significantly lower total 15N content than the other isolation treatments. Irrespective of the labeled status, A. melanoxylon always transferred the N to neighbor E. urophylla. The percentage and amount of N transfer increased with the root isolation reducing.

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[1]	Forrester D I, Bauhus J, Cowie A L, et al. Mixed-species plantations of Eucalyptus with nitrogen-fixing trees:A review[J]. Forest Ecology and Management,2006,233(2-3):211-230.
[2]	Moyer-Henry K A, Burton J W, Israel D W, et al. Nitrogen transfer between plants:a ¹⁵N natural abundance study with crop and weed species[J]. Plant and Soil,2006,282(1-2):7-20.
[3]	He X, Xu M, Qiu G Y, et al. Use of ¹⁵N stable isotope to quantify nitrogen transfer between mycorrhizal plants[J]. Journal of Plant Ecology,2009,2(3):107-118.
[4]	Høgh-Jensen H. The nitrogen transfer between plants:An important but difficult flux to quantify[J]. Plant and Soil,2006,282(1):1-5.
[5]	Hobbie E A, Högberg P. Nitrogen isotopes link mycorrhizal fungi and plants to nitrogen dynamics[J]. New Phytologist,2012,196(2):367-382.
[6]	Lu J K, Kang L H, Sprent J I, et al. Two-way transfer of nitrogen between Dalbergia odorifera and its hemiparasite Santalum album is enhanced when the host is effectively nodulated and fixing nitrogen[J]. Tree Physiology,2013,33(5):464-474.
[7]	Forrester D I, Schortemeyer M, Stock W D, et al. Assessing nitrogen fixation in mixed-and single-species plantations of Eucalyptus globulus and Acacia mearnsii[J]. Tree physiology,2007,27(9):1319-1328.
[8]	黄宇,冯宗炜,汪思龙,等. 杉木与固氮和非固氮树种混交对林地土壤质量和土壤水化学的影响[J]. 生态学报,2004,24(10):2192-2198.
[9]	杨曾奖,陈元,徐大平,等. 桉树与豆科植物混交种植对土壤速效养分的影响[J]. 生态学杂志,2006,25(7):725-730.
[10]	白嘉雨. 中国热带地区桉属树种的遗传改良回顾[M]//洪菊生,王豁然. 澳大利亚阔叶树研究. 北京:中国林业出版社,1993.
[11]	黄志宏,周国逸,张宁南,等. 用典型相关法分析尾叶桉人工林干季土壤水分影响因子[J]. 林业科学,2003,39(5):10-17.
[12]	余雪标,徐大平,龙腾,等. 连栽桉树人工林生长特性和树冠结构特征[J]. 林业科学,2000,36 (专刊1):137-142.
[13]	张宁南,许涵,徐大平,等.广东省尾巨桉和马占相思人工林林下植物多样性动态变化[J]. 林业科学研究,2009,22 (2):262-268.
[14]	杨木新. 黑木相思的经济价值及速生丰产栽培技术[J]. 现代农业科技,2007,(9):226-227.
[15]	马红. 黑木相思扦插繁殖技术及生根机理研究[D]. 福建农林大学,2007,5-6.
[16]	窦雅静,陆俊锟,康丽华,等. 黑木相思根瘤菌遗传多样性[J]. 微生物学报,2012,52(12):1439-1448.
[17]	Haynes R J, Goh K M. Ammonium and nitrate nutrition of plants[J]. Biological Reviews,1978,53(4):465-510.
[18]	McNeill A M, Wood M. ¹⁵N estimates of nitrogen fixation by white clover (Trifolium repens L.) growing in a mixture with ryegrass (Lolium perenne L.)[J]. Plant and Soil,1990,128(2):265-273.
[19]	Paynel F, Murray P J, Cliquet J B. Root exudates:a pathway for short-term N transfer from clover and ryegrass[J]. Plant and Soil,2001,229(2):235-243.
[20]	Frank D A, Evans R D, Tracy B F. The role of ammonia volatilization in controlling the natural ¹⁵N abundance of a grazed grassland[J]. Biogeochemistry,2004,68(2):169-178.
[21]	黄雪蔓,刘世荣,尤业明. 固氮树种对第二代桉树人工林土壤微生物生物量和结构的影响[J]. 林业科学研究,2014, 27(5):612-620.
[22]	黄雪蔓,刘世荣,尤业明. 第二代桉树人工纯林和混交林土壤呼吸及其组分研究[J]. 林业科学研究,2014,27(5):575-582.

Study on Nitrogen Transfer between Acacia melanoxylon and Eucalytups urophylla Seedlings

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通讯作者: 陈斌, bchen63@163.com

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