Characteristics and Causes of Soil Fertility Under Eucalyptus Plantations in Leizhou Peninsula

ZHONG Ji-hong; LI Shu-yi; LAN Pei-ling; LIAO Xin-rong; LIAO Guan-rong

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Characteristics and Causes of Soil Fertility Under Eucalyptus Plantations in Leizhou Peninsula

- Characteristics and Causes of Soil Fertility Under Eucalyptus Plantations in Leizhou Peninsula
- Bulletin of Soiland Water Conservation Vol. 24, Issue 3, Pages: 44-48(2005)
- 作者机构：
  
  广东省生态环境与土壤研究所，广东省农业环境综合治理重点实验室,广东,广州,510650
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2005
- 稿件说明：
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ZHONG Ji-hong, LI Shu-yi, LAN Pei-ling, et al. Characteristics and Causes of Soil Fertility Under Eucalyptus Plantations in Leizhou Peninsula[J]. Bulletin of Soiland Water Conservation, 2005, 24(3): 44-48.
DOI：

ZHONG Ji-hong, LI Shu-yi, LAN Pei-ling, et al. Characteristics and Causes of Soil Fertility Under Eucalyptus Plantations in Leizhou Peninsula[J]. Bulletin of Soiland Water Conservation, 2005, 24(3): 44-48. DOI：

摘要

对雷州林业局桉树人工林地进行了土壤普查

结果表明

桉树人工林土壤肥力很低;其现状肥力特征的形成与桉树人工林生态系统水土流失严重

人为因素对土壤养分生物积累过程的干扰

桉树全树利用方式

耕垦和采后剩余物处理不适当有关。因此

增加桉树人工林生物多样性、回归林地凋落物于土壤

应用适当地采伐利用方式和采伐剩余物的处理方式

是改善桉树人工林土壤肥力必须采取的措施。

Abstract

Abstrcat The characteristics and causes of soil fertility under eucalyptus plantations on the Leizhou Peninsula are discussed. Investigation indicates that the soil fertility under this vegetation type is characterized by low soil organic matter content and soil nutrient impoverishment. Probable causes include severe soil and water loss

anthropogenic disturbance to the bioaccumulation process of nutrients

clear fallings practices

unsuitable land reclamation and residue management. Increasing the biodiversity characteristics of the eucalyptus plantations

returning litter to the forest floor

adopting sustainable harvesting techniques

as well as improved residue management are likely to improve the status of soil fertility

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