Soil Physicochemical Properties of Picea Crassifolia Forest in Eastern Qilian Mountains

ZHAO Wei-jun; LEI Lei; LIU Xian-de; JIN Ming; ZHANG Xue-long; JING Wen-mao

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Soil Physicochemical Properties of Picea Crassifolia Forest in Eastern Qilian Mountains

- Soil Physicochemical Properties of Picea Crassifolia Forest in Eastern Qilian Mountains
- Bulletin of Soiland Water Conservation Vol. 30, Issue 6, Pages: 72-75(2011)
- 作者机构：
  
  1. 甘肃省祁连山水源涵养林研究院,甘肃,张掖,734000
  2. 甘肃农业大学林学院,甘肃,兰州,730070
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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ZHAO Wei-jun, LEI Lei, LIU Xian-de, et al. Soil Physicochemical Properties of Picea Crassifolia Forest in Eastern Qilian Mountains[J]. Bulletin of Soiland Water Conservation, 2011, 30(6): 72-75.
DOI：

ZHAO Wei-jun, LEI Lei, LIU Xian-de, et al. Soil Physicochemical Properties of Picea Crassifolia Forest in Eastern Qilian Mountains[J]. Bulletin of Soiland Water Conservation, 2011, 30(6): 72-75. DOI：

摘要

采集祁连山东段青海云杉林林地0-10cm

10-20cm和20-40cm土层的土壤剖面样品

测定分析了其土壤物理性质、土壤水分状况、土壤全量养分和有机质含量。结果表明

不同土层的土壤容重值均低于1.00g/cm

且随土层深度的增加呈增加趋势;土壤总孔隙度的变化规律和土壤容重的变化规律相似

不同土层的总孔隙度均在63%以上

通气状况良好;土壤水分含量随深度的增加呈减小趋势

不同土层土壤平均质量含水量最低为18.7%;土壤有机质和土壤全氮含量都达到养分1级;土壤全钾贮量级别为养分2级;土壤全磷含量缺乏

养分级别为4级或5级;土壤pH均值为7.5

表明林地土壤为中性土壤。建议继续加强祁连山东段青海云杉森林生态系统的有效保护和管理。

Abstract

Soil samples from soil layers of 0-10 cm

10-20 cm and 20-40 cm in Picea crassifolia forest were collected

and the soil physical properties

soil moisture content and soil nutrient was analyzed and determined for these soil samples.The results showed that the soil bulk density values from different soil layer were all below 1.00 g/cm3

but increased with the depth;Soil porosity showed the same trend

and the soil porosity of different soil layers were above 63% percent

indicating a good ventilation.With the depth

the soil water content decreased

with a lowest value of 18.7%.Soil organic matter and soil total nitrogen content have reached extremely high levels

soil nutrient level was marked as grade 1;Total potassium level belonged to level 2;The total phosphorus was deficiency and belong to level 4 or 5;Mean soil pH is 7.5.Suggestions were made to strengthen the effective protection and management of Picea crassifolia forest ecological system in the eastern Qilian Mountains.

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