Phosphorus absorption of two different <em>Eucalyptus cultivars</em> at different tree ages in the Leizhou Peninsula

ZHAO Gui; DING Xiao-dong; WANG Rong-ping; LIAO Xin-rong; LI Shu-yi

doi:10.11833/j.issn.2095-0756.2012.03.013

Volume 29 Issue 3

May 2012

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ZHAO Gui, DING Xiao-dong, WANG Rong-ping, LIAO Xin-rong, LI Shu-yi. Phosphorus absorption of two different Eucalyptus cultivars at different tree ages in the Leizhou Peninsula[J]. Journal of Zhejiang A&F University, 2012, 29(3): 407-411. doi: 10.11833/j.issn.2095-0756.2012.03.013

Citation:

ZHAO Gui, DING Xiao-dong, WANG Rong-ping, LIAO Xin-rong, LI Shu-yi. Phosphorus absorption of two different Eucalyptus cultivars at different tree ages in the Leizhou Peninsula[J]. Journal of Zhejiang A&F University, 2012, 29(3): 407-411. doi: 10.11833/j.issn.2095-0756.2012.03.013

Phosphorus absorption of two different Eucalyptus cultivars at different tree ages in the Leizhou Peninsula

doi: 10.11833/j.issn.2095-0756.2012.03.013

1.
State-owned Leizhou Forest Enterprise，Suixi 524348，Guangdong，China;
2.
Guangdong Institute of Eco-environment and Soil Sciences，Guangzhou 510650，Guangdong，China

More Information

Corresponding author: LI Shu-yi
Received Date: 2011-08-01
Rev Recd Date: 2011-10-24
Publish Date: 2012-06-20

Abstract

To clarify the characteristics of phosphorus uptake and distribution of Eucalyptus species，the effect of different ages on phosphorus （P） demand and absorption for Eucalyptus ABL 12 and Eucalyptus grandis U6 were studied. We selected the one to six years old of the tree randomly，and the one year age tree （P1YR） and more than one year age tree （P1YR） were separated as the two compared communities with ten replications. The P concentration of different part was analyzed by Mo-Sb colorimetry. Results showed no difference in P concentration between Eucalyptus ABL 12 and E. grandis U6 at one year of age （P1YR）. However，for that of more than one year of age （P1YR），P concentration of Eucalyptus ABL 12 was significantly lower than that of E. grandis U6（P＜0.05）. For the young Eucalyptus tree，P was mainly distributed in leaves and branches with increases in the trunk，tree bark，and roots as the tree aged. Also，P concentration significantly （P＜0.05） affected dry matter accumulation，for the both species of the Eucalyptus trees，the order of accumulated dry matter showed as trunk ＞ roots ＞ branches ＞ tree bark ＞ leaves. According to P efficiency，dry matter accumulation per kg of P showed Eucalyptus ABL 12 ＞ E. grandis U6，meaning less P was required for Eucalyptus ABL 12. Therefore，P fertilizer application and management for Eucalyptus should take into consideration different varieties and different tree ages.［Ch，4 fig. 12 ref.］
- silviculture,
- Eucalyptus,
- variety,
- phosphorus,
- uptake

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Phosphorus absorption of two different Eucalyptus cultivars at different tree ages in the Leizhou Peninsula

1. State-owned Leizhou Forest Enterprise，Suixi 524348，Guangdong，China;

2. Guangdong Institute of Eco-environment and Soil Sciences，Guangzhou 510650，Guangdong，China

Corresponding author: LI Shu-yi

Received Date: 2011-08-01

Rev Recd Date: 2011-10-24

Publish Date: 2012-06-20

Key words:

silviculture /
Eucalyptus /
variety /
phosphorus /
uptake

Abstract: To clarify the characteristics of phosphorus uptake and distribution of Eucalyptus species，the effect of different ages on phosphorus （P） demand and absorption for Eucalyptus ABL 12 and Eucalyptus grandis U6 were studied. We selected the one to six years old of the tree randomly，and the one year age tree （P1YR） and more than one year age tree （P1YR） were separated as the two compared communities with ten replications. The P concentration of different part was analyzed by Mo-Sb colorimetry. Results showed no difference in P concentration between Eucalyptus ABL 12 and E. grandis U6 at one year of age （P1YR）. However，for that of more than one year of age （P1YR），P concentration of Eucalyptus ABL 12 was significantly lower than that of E. grandis U6（P＜0.05）. For the young Eucalyptus tree，P was mainly distributed in leaves and branches with increases in the trunk，tree bark，and roots as the tree aged. Also，P concentration significantly （P＜0.05） affected dry matter accumulation，for the both species of the Eucalyptus trees，the order of accumulated dry matter showed as trunk ＞ roots ＞ branches ＞ tree bark ＞ leaves. According to P efficiency，dry matter accumulation per kg of P showed Eucalyptus ABL 12 ＞ E. grandis U6，meaning less P was required for Eucalyptus ABL 12. Therefore，P fertilizer application and management for Eucalyptus should take into consideration different varieties and different tree ages.［Ch，4 fig. 12 ref.］

Phosphorus absorption of two different Eucalyptus cultivars at different tree ages in the Leizhou Peninsula

doi: 10.11833/j.issn.2095-0756.2012.03.013

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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Proportional views

Phosphorus absorption of two different Eucalyptus cultivars at different tree ages in the Leizhou Peninsula

doi: 10.11833/j.issn.2095-0756.2012.03.013

1. State-owned Leizhou Forest Enterprise，Suixi 524348，Guangdong，China;

2. Guangdong Institute of Eco-environment and Soil Sciences，Guangzhou 510650，Guangdong，China

Corresponding author: LI Shu-yi

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Phosphorus absorption of two different Eucalyptus cultivars at different tree ages in the Leizhou Peninsula

doi: 10.11833/j.issn.2095-0756.2012.03.013

Abstract

Relative Article

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views

Phosphorus absorption of two different Eucalyptus cultivars at different tree ages in the Leizhou Peninsula

doi: 10.11833/j.issn.2095-0756.2012.03.013

1. State-owned Leizhou Forest Enterprise，Suixi 524348，Guangdong，China; 2. Guangdong Institute of Eco-environment and Soil Sciences，Guangzhou 510650，Guangdong，China

Corresponding author: LI Shu-yi

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1. State-owned Leizhou Forest Enterprise，Suixi 524348，Guangdong，China;

2. Guangdong Institute of Eco-environment and Soil Sciences，Guangzhou 510650，Guangdong，China