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《Chinese Journal of Soil Science》 2004-03
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Principal Component Analysis for the Influence of Various Nutrients in Albiudic Cambosols Profile on Sweet Potato Yield and Relevant Experiment Facts

GUO Du-fa~(1,2),WANG Qiu-bing~1 (1. Shenyang Agricultural University,Shenyang,China; 2.Goegraphy Department ,Shandong Normal University,Jinan 250014,China)  
The contents of total phosphorus,available phosphorus,and potassium in surface layer are significantly higher than those in subsurface layer for tested albiudic cambosols.The difference of contents of other nutrients between surface and subsurface layers did not reach the significant level of 5%,but they tend to have concentred in the surface layer.The result of principal component analysis shown that the first principal component standed for the intensity of organic matter formation,while the second principal component standed for promotion of sweet potato.Of various nutrients,available potassium in surface layer,available potassium, and phosphorus in subsurface layer have much higher positive loading for the second principal component.And the yield of sweet potato has significantly positive correlation with available potassium in the surface layer,and available potassium,and available phosphorus in the subsurface layer.The findings suggested that application of potassium fertilizer to both surface layer and subsurface layer can promote sweet potato yield,while phosphorus fertilizer has to be applied to subsurface layer of soil in order to achieve higher yield.There fore, traditional practice that fertilizers were applied to surface layer must be changed.It also is suggested that the principal component analysis method is useful for rational application of fertilizers for sweet potato.
【Fund】: 国家自然科学基金(40171037)资助项目
【CateGory Index】: S531
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Chinese Journal Full-text Database 1 Hits
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Chinese Journal Full-text Database 10 Hits
1 GUO Yan-yin,XU Kun,WANG Xiu-feng,ZHU Yan-hong(College of Horticulture, Shandong Agricultural University, Taian 271018, China);Effect of potassium deficiency on absorption of Fe, Mn, Cu and Zn in ginger[J];Shandong Agricultural Sciences;2003-05
2 MOU Lei et al(University of Xinjiang Resources and Environment Science College,Urumqi,Xinjiang 830046);Application of Gray Relation Analysis in the Suitable Evaluation of Cultivated Land[J];Journal of Anhui Agricultural Sciences;2006-10
3 LIN Ming-he et al (Yantai Garrison Command Production Base,Yantai,Shandong 265201);Effects of the Different Substrates on Cucumber Growth[J];Journal of Anhui Agricultural Sciences;2006-21
4 ZHANG Zhi(Department of Horticulture and Landscape,College of Life Sciences and Engineering,Qiqihar University,Qiqihar,Heihongjiang 161006);Influence of Different Dosage of Potassium Fertilizer on Growth of the Cucumber Seedling[J];Journal of Anhui Agricultural Sciences;2008-09
5 WU Yun-na et al(College of Life Science,Dalian Nationalities University,Dalian,Liaoning 116600);Change of the Community Structure and Soil Physical and Chemical Property during Vegetation Restoration Succession in Kerqin Sandland[J];Journal of Anhui Agricultural Sciences;2008-15
6 XIA Ri-hong et al(Huangshan College,Huangshan,Anhui 245041);Study on Relationship between Growth of Magnolia grandiflora and Its Site Conditions[J];Journal of Anhui Agricultural Sciences;2008-35
7 JIAO Li-wei et al (Engineering Research Center of Seawater Sources Efficient Utilization Technology,Ministry of Education,Hebei University of Technology,Tianjin 300130);Research on Soil Enzyme Activities and Soil Nutrients in Different Types of Farmland in Salinization Fluvo-aquic Soil[J];Journal of Anhui Agricultural Sciences;2009-35
8 HAN Xing et al (College of Resources and Environment,Jilin Agricultural University,Changchun,Jilin 130118);Study on Division Method of Utilization Grades for Agricultural Land in Jilin Province[J];Journal of Anhui Agricultural Sciences;2010-13
9 ZHANG Zhi-yong et al(Kunming Coal Design & Research Institute,Kunming,Yunnan 650051);Study on Correlation of Mining Wasteland Soil and Eucommia Heavy Metal Pollution[J];Journal of Anhui Agricultural Sciences;2010-15
10 XIE Xi-zhen et al(Longyan Tobacco Industry Co.,Ltd.,Longyan,Zhejiang 364000);Main Physical and Chemical Characteristics of Soil in Longyan Tobacco Area[J];Journal of Anhui Agricultural Sciences;2010-27
【Secondary Citations】
Chinese Journal Full-text Database 4 Hits
1 Gu Yeping Zha Liangsong(Anhui Normal University) Chen Yutian Chen Huezhang(Soil Fertilizer Station of Huai Yuan County);The Application of Discriminant Analysis in Quality Evaluation of Soil Resource——work of Huai-yuan county as an example[J];Journal of Anhui Normal University(Natural Science);1989-01
2 JIA Hongjun, GU Yeping (College of National Territorial Resources and Tourism, Anhui Normal University, 241000, Wuhu, Anhui, China);THE ASSESSMENT OF THE QUALITY OF THE PADDY SOIL RESOURCE IN HANSHAN COUNTY OF ANHUI PROVINCE[J];JOURNAL OF ANHUI NORMAL UNIVERSITY(NATURAL SCIENCE);2000-02
3 Ni Shaoxiang Ni Shaoxiang (Dept.of Geo & Occan Sciences, Nanjing University 210008) (Dept.of Geography, Peking University 100871);RECENT PROGRESS IN THE STUDY OF LAND EVALUATION IN CHINA[J];Acta Geographica Sinica;1993-01
4 Cai Qingsheng Wu Zhaosu (Dept of Agronomy,Nanjing Agric Univ,Nanjing 210014);THE RELATIONS OF DRY MATTER ACCUMULATION OF GRAIN GROWTH STAGES TO GRAIN WEIGHT IN WHEAT[J];Journal of Nanjing Agricultural University;1993-01
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