中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 农田土壤碳氮及其与气象因子的关系 农业环境科学学报 2010,29 (08) 1612-1617
Position: Home > Articles > Soil Carbon,Nitrogen of the Farmland and Their Relationships with Climatic Factors Journal of Agro-Environment Science 2010,29 (08) 1612-1617

农田土壤碳氮及其与气象因子的关系

作  者：
吕国红;王笑影;张玉书;贾庆宇;谢艳兵
单  位：
中国气象局沈阳大气环境研究所
关键词：
土壤有机碳;土壤全氮;年平均气温;年降水量;剖面分布
摘  要：
为揭示土壤碳氮受外界环境因子的影响,基于辽宁省51个农业气象站的代表性,分析了土壤有机碳和全氮的剖面分布及其与气象因子、地理因子的关系。结果表明,土壤表层(0~20 cm)有机碳和全氮含量总体高于土壤下层(20~40 cm);不同土层土壤有机碳和全氮受年降水量、年平均气温的影响程度不同。土壤表层有机碳和全氮受年降水量、年平均气温的显著或极显著影响(P<0.05,P<0.01);土壤下层有机碳和全氮均与年平均气温呈显著负相关(P<0.01),而与年降水量不成显著相关。经度与土壤表层有机碳和土壤下层全氮呈显著正相关(P<0.05),而纬度和海拔不影响土壤有机碳和全氮。不同土层有机碳、全氮与气象因子的回归方程为农田生态系统的碳收支评估及养分循环提供基础资料。
译  名：
Soil Carbon,Nitrogen of the Farmland and Their Relationships with Climatic Factors
作  者：
LV Guo-hong1,2,3,WANG Xiao-ying1,ZHANG Yu-shu1,JIA Qing-yu1,XIE Yan-bing1(1.Institute of Atmospheric Environment,Chinese Meteorological Administration,Shenyang 110016,China;2.Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016,China;3.Graduated School of Chinese Academy of Sciences,Beijing 100049,China)
关键词：
soil organic carbon;soil total nitrogen;annual mean temperature;annual total precipitation;profile distributions
摘  要：
The cycles of soil carbon and nitrogen are the basic ecological processes in the farmland ecosystem.In addition to the influence of farm management strategy,the contents of soil carbon and nitrogen are also affected by the external environment factors.In this paper,the profile distribution of soil carbon,and nitrogen and their responses to the climatic and geographical factors were analyzed using data from 51 agriculture weather stations in the Liaoning Province.The results showed that the contents of soil organic carbon and total nitrogen were high-er in the soil surface(0~20 cm)than those in the lowe(r20~40 cm).It was different for effects of precipitation and temperature on soil organ-ic carbon and total nitrogen in different soil layers.Soil organic carbon and total nitrogen were significantly influenced by annual total precip-itation and annual mean temperature in the soil surface(P<0.05,P<0.01);and were markedly negatively correlated with annual mean temperature(P<0.01),but not with precipitation in the lower soil layer.Longitude exhibited a positive correlation with soil organic carbon in the soil surface and soil total nitrogen in the lower soil layer(P<0.05),while latitude and elevation not with soil organic carbon and total nitrogen.The regression equations of soil organic carbon and soil total nitrogen with precipitation and temperature were also established,which provides the basic data to evaluate the carbon budget and nutrient and biogeochemical cycles of farmland ecosystem.

相似文章

导出引用
计量
文章访问数: 11
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46