Soil Fertility in Young Rhodolcia Championii Stands of Different Densities

ZENG Xiaoli; XUE Li; LIU Bin; XU Pengbo; PAN Lan

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Soil Fertility in Young Rhodolcia Championii Stands of Different Densities

- Soil Fertility in Young Rhodolcia Championii Stands of Different Densities
- Bulletin of Soiland Water Conservation Vol. 29, Issue 5, Pages: 43-45(2010)
- 作者机构：
  
  1. 西江林业局象牙山林场,广东,肇庆,526639
  2. 华南农业大学林学院, 广东广洲,510642
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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ZENG Xiaoli, XUE Li, LIU Bin, et al. Soil Fertility in Young Rhodolcia Championii Stands of Different Densities[J]. Bulletin of Soiland Water Conservation, 2010, 29(5): 43-45.
DOI：

ZENG Xiaoli, XUE Li, LIU Bin, et al. Soil Fertility in Young Rhodolcia Championii Stands of Different Densities[J]. Bulletin of Soiland Water Conservation, 2010, 29(5): 43-45. DOI：

摘要

为了合理利用土壤资源

用常规方法测定了不同密度红苞木幼林的土壤物理化学性质。在4种密度林分(1667

2500

4444

10000株/hm

)中

10000株/hm

的林分土壤容重大

通气性差。2500株/hm

林分的土壤有机质、氮、磷和钾含量高

对土壤的效果优于其它密度的林分;4444株/hm

林分土壤的有机质和氮含量较高

磷含量中等

钾含量高

有利于土壤养分的积累;1667株/hm

林分的土壤有机质和氮含量中等、磷含量高、钾含量较低

改善土壤磷的作用明显。10000株/hm

林分土壤的有机质、氮、磷、钾含量均低

不利于养分积累。

Abstract

Soil physical and chemical properties in Rhodolcia championii stands with different densities(1 667

2 500

4 444

and 10 000 trees/hm2)were determined using conventional methods to utilize soil resources reasonably.Compared with other stands

soil bulk density in the stand of 10 000 trees/hm2 was great and its aeration ability was weak.Contents of soil organic matter

and K in the stand of 2 500 trees/hm2 were high among the four stands

indicating that its effect on soil improvement was better than the other stands.In the stand of 4 444 trees/hm2

soil organic matter and N contents were relatively high

P content was medium

and K content was high.The result indicated that the stand was favorable for soil nutrient accumulation.In the stand of 1 667 trees/hm2

soil organic matter and N contents were medium

P content was high

and K content was relatively low.As a result

the stand significantly improved soil P condition.Contents of soil organic matter

and K in the stand of 10 000 trees/hm2 were low

which indicated that the stand was unfavorable for soil nutrient accumulation.

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