IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Effects of land use on soil physical and chemical characters at debris flow bottomland
Language英语
Zhang Qiuying1,2; Li Fadong2,3; Ou Guoqiang1; Song Xianfang3; Yang Cong2
2005
Source PublicationIGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium, Vols 1-8, Proceedings
Pages4469-4472
meeting25th IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2005)
Conference DateJUL 25-29, 2005
Conference PlaceSeoul
CountrySOUTH KOREA
Publication PlaceNEW YORK
PublisherIEEE
Contribution Rank1
AbstractUnderstanding of the characteristics of soil nutrients at the field and catchment scale is important for refining agricultural management practices and for improving sustainable land use. In order to analyze soil nutrient differences among different land use types and their relationships between land uses, 9 sampling sites including 3 land uses were selected in the Daqiaohe catchment on Yunnan of China. Significant differences in soil nutrients among these land uses were found. Higher values of soil nutrient in crop land soil, but lower values in forest soil and virgin soil. Nutrient contents decreased with soil profile depth increasing. All nutrient contents were poor in debris flow bottomland. At the same time, relationship between nutrient contents and grade contents was analyzed. The result showed that TP, AP and AK were significantly correlated with clay contents and slit contents at 0.01 level, while other nutrients were not correlated with clay and slit contents. There existed significant relationship between TP and sand contents, but for TN, the condition was found. However, nutrient was relation to many factors, thus relationship between nutrient contents and grade contents should he studied in future.
ISBN0-7803-9050-4
Indexed ByEI ; CPCI
Accession numberAccession number:2006289994443
WOS IDWOS:000237237605192
Citation statistics
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/33476
Collection成都山地所知识仓储(2009年以前)
山地灾害与地表过程重点实验室
Corresponding AuthorZhang Qiuying
Affiliation1.Chengdu Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041;
2.Institute of Geographical Sciences and Resources Reseach, Chinese Academy of Sciences, Beijing 100101;
3.Center for Agricultural Resources Research, Institute of Genetic and Developmental Biology, CAS, Shijiazhuang 050021
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Zhang Qiuying,Li Fadong,Ou Guoqiang,et al. Effects of land use on soil physical and chemical characters at debris flow bottomland[C]. NEW YORK:IEEE,2005:4469-4472.
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