[1]赵维俊,刘贤德,金铭,等.祁连山西段青海云杉林土壤养分特征研究[J].水土保持研究,2011,18(04):166-169.
　ZHAO Wei-jun,LIU Xian-de,JIN Ming,et al.Study on Soil Nutrient Characteristics of Picea crassifolia Forest in the West Segment of Qilian Mountains[J].Research of Soil and Water Conservation,2011,18(04):166-169.
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祁连山西段青海云杉林土壤养分特征研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年04期 页码: 166-169 栏目: 出版日期: 2011-08-20
Title:
Study on Soil Nutrient Characteristics of Picea crassifolia Forest in the West Segment of Qilian Mountains
作者:
赵维俊1,2, 刘贤德1,2, 金铭1,2, 车宗玺1,2, 马钰1,2
1. 甘肃省森林生态与冻土水文水资源重点实验室, 甘肃张掖 734000;
2. 甘肃省祁连山水源涵养林研究院, 甘肃张掖 734000
Author(s):
ZHAO Wei-jun1,2, LIU Xian-de1,2, JIN Ming1,2, CHE Zong-xi1,2, MA Yu1,2
1. Key Laboratory of Forest Ecology and Frozen Soil Hydrology Water Resourcesof Gansu Province, Zhangye, Gansu 734000, China;
2. Academy of Water ResourcesConservation Forests in Qilian Mountains of Gansu Province, Zhangye, Gansu 734000, China
关键词:
祁连山西段; 青海云杉林; 土壤养分
Keywords:
the west segment of Qilian Mountains; Picea crassifolia; soil nutrient
分类号:
S714.2
摘要:
通过野外取样和实验室分析，对祁连山西段青海云杉林的土壤养分进行了研究。结果表明：（1）土壤全氮、全磷、全钾和有机质的平均含量依次为（0.29±0.01）%、（0.051±0.001）%、（1.990±0.019）%和（7.96±0.40）%，空间变异程度均属中等变异。同时，10个样地单因素方差分析表明除土壤全磷含量总体均值为极显著外（F>F0.01），全氮、全钾和有机质含量在不同样地的总体均值差异均不显著（F0.05）。（2）在土壤剖面上，随土层深度的增加，土壤全氮、有机质含量先增加后降低；土壤全磷含量逐渐增加，但其差异不大；土壤全钾含量呈现出先增加后降低；在剖面空间变异除土壤全钾含量为弱变异性，其他养分变异程度均属中等水平。（3）土壤表层（0-10 cm）土壤有机质含量与全氮含量呈极显著正相关，土壤有机质含量与土壤全磷呈显著正相关，与土壤全钾含量相关性不显著。
Abstract:
In the light of flied sampling and laboratory analysis, soil nutrient of Picea crassifolia forest in the eastern Qilian Mountains was studied. The results showed that: (1) The mean contents of soil total nitrogen, total phosphorus, total potassium and organic matter were (0.29±0.01)%, (0.051±0.001)%, (1.990±0.019)% and (7.96±0.40%), respectively, and their spatial variabilities were all in the middle level. Meanwhile, single factor variance analysis of 10 samples showed that there were no significant differences of soil total nitrogen, total potassium and organic matter overall mean in different plots (F<F0.05), except the soil total phosphorus overall mean which is very significant (F<F0.01); (2) In the soil profile, along with the increase of soil depth, soil organic matter and soil total nitrogen content firstly increase and then decline;soil total phosphorus increase gradually, but there was little difference;soil total potassium content presents first increase and then decrease. In the profile, spatial variability of soil total potassium content is weak, but other nutrient variation belongs to the middle level; (3) Soil organic matter content and total nitrogen content of surface soil layer (0-10 cm) have a significantly positive correlation, organic matter content of the soil and soil total phosphorus have a significant positive correlation, but with no significant correlation in soil total potassium content.

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备注/Memo

收稿日期:2011-1-23;改回日期:2011-3-4。
基金项目:林业公益性行业科研专项（200904022-4）；林业公益性行业科研专项（201104005-07）
作者简介:赵维俊（1981- ），男，甘肃靖远人，硕士，助理工程师，主要从事森林生态研究。E-mail：zhaoweijun1019@126.com

更新日期/Last Update: 1900-01-01