Observation and Analysis on Physical Properties in Different Types of Soil Under Artifical Forests in Loess Hilly-gully Region

CAO Shi-xiong; LI De; CHEN Li; ZHANG Hui-ru; GAO Wang-sheng

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Observation and Analysis on Physical Properties in Different Types of Soil Under Artifical Forests in Loess Hilly-gully Region

- Observation and Analysis on Physical Properties in Different Types of Soil Under Artifical Forests in Loess Hilly-gully Region
- Bulletin of Soiland Water Conservation Vol. 24, Issue 3, Pages: 61-64(2005)
- 作者机构：
  
  1. 中国农业大学农学院区域农业发展研究中心,北京,100094
  2. 延长县气象局，陕西延长,717100
  3. 延安市水土保持研究所,陕西,延安,716000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2005
- 稿件说明：
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CAO Shi-xiong, LI De, CHEN Li, et al. Observation and Analysis on Physical Properties in Different Types of Soil Under Artifical Forests in Loess Hilly-gully Region[J]. Bulletin of Soiland Water Conservation, 2005, 24(3): 61-64.
DOI：

CAO Shi-xiong, LI De, CHEN Li, et al. Observation and Analysis on Physical Properties in Different Types of Soil Under Artifical Forests in Loess Hilly-gully Region[J]. Bulletin of Soiland Water Conservation, 2005, 24(3): 61-64. DOI：

摘要

在我国黄土高原丘陵沟壑区

分布着黄绵土、红胶泥土以及土壤与岩石过渡类型--风化岩沫土等土壤类型。研究结果表明

各类树种和配置对以上土壤物理性状均有改良作用

以浅根性沙棘、刺槐和树根穿透力强的侧柏、杨树及其混交配置表现最好

乔灌混交在加速成林的同时能有效减少土壤耗水量。同时发现

造林使风化岩沫土土壤地类孔隙度和0-80cm土层含水量增加

反映了这类土壤植树造林的潜力较大

这在我国水土流失不断加剧的今天是非常有意义的发现。

Abstract

Abstrcat In loess hilly-gully region

there existing many types of soil

such as loessal soil

red clay

mantle rock soil

and so on. Based on observation and testing after planting different kinds of trees in loessal soil

red clay and mantle rock soil

the results showed that planting different trees can improve the physical properties of soil. Especially

planting Ippophae rhamnoides

locust

oriental arborvitae

poplar and mixed planted with these four trees are better than other trees. Mixed planting can accelerate the tree growing

as well as decrease soil water use effectively. And the soil porosity in mantle rock soil and the soil water content between 0-80 cm had increased

this showed that planted trees in mantle rock soil had certain potential

which is very significant for holding back the trend of soil and water loss in loess hilly-gully region

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