Effects of Psammophilic Shrubs on Physical and Chemical Properties of Aeolian Sandy Soil in Hexi Corridor

ZHANG Chun-mei; QIN Jia-hai; JIN Zi-xue

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Effects of Psammophilic Shrubs on Physical and Chemical Properties of Aeolian Sandy Soil in Hexi Corridor

- Effects of Psammophilic Shrubs on Physical and Chemical Properties of Aeolian Sandy Soil in Hexi Corridor
- Bulletin of Soiland Water Conservation Vol. 32, Issue 2, Pages: 49-52(2013)
- 作者机构：
  
  1. 河西学院农业与生物技术学院,甘肃,张掖,734000
  2. 浙江绍兴文理学院生物科学系,浙江,绍兴,312000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
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ZHANG Chun-mei, QIN Jia-hai, JIN Zi-xue. Effects of Psammophilic Shrubs on Physical and Chemical Properties of Aeolian Sandy Soil in Hexi Corridor[J]. Bulletin of Soiland Water Conservation, 2013, 32(2): 49-52.
DOI：

ZHANG Chun-mei, QIN Jia-hai, JIN Zi-xue. Effects of Psammophilic Shrubs on Physical and Chemical Properties of Aeolian Sandy Soil in Hexi Corridor[J]. Bulletin of Soiland Water Conservation, 2013, 32(2): 49-52. DOI：

摘要

在河西走廊的风沙土区域

研究了梭梭、沙拐枣、花棒3种沙生灌木林对风沙土理化性质的影响。结果表明

不同沙生灌木林的风沙土孔隙度、团粒结构、蓄水量、有机质、碱效N、速效P、速效K、土壤阳离子交换量(CEC)、枯落物积累厚度、枯落物积累干质量、持水量、最大持水率由大到小的变化顺序为:梭梭>沙拐枣>花棒>沙滩(CK);风沙土容重、pH值、CaCO

、全盐由大到小的变化顺序为:沙滩(CK)>花棒>沙拐枣>梭梭。梭梭灌木林密度较大

枯落物积累量亦大

对风沙土水土保持和涵养水源有重要作用。

Abstract

The influences of different psammophilic shrubs on the physical and chemical properties of aeoliansandy soil were studied in the Hexi Corridor.The results showed that total porosity

aggregate structure

storage capacity

soil organic matter

total N

available P

rapidly available K and CEC

layer thickness

litter accumulation of dry matter

water storage

and maximum water holding capacity of different forest shrubcould be ranked in a descending order as Haloxylon ammodendronforest shrub>Mongolion calligonum herbwith fruit>Hedysarum scoparium Frisch>bare sand(the control).In addition

bulk density

pH value

Ca-CO3and total salt of the soils could be ranked as bare sand(the control)>Hedysarum scoparium Frisch>Mongolion calligonum herb with fruit>Haloxylon ammodendron forest shrub.In short

the Haloxylonammodendronforest shrub could contribute greatly to soil and water conservation because of its high shrubdensity and fast accumulation rate of litters.

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