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    GAN Hai-hua,PENG Ling-yun,LU Ying,WU Jing-yu,LAI Xue-mei. The Spatio-Temporal Variability of Available P and Total K in Cultivated Soil of Xinhui District in Guangdong Province[J]. Journal of South China Agricultural University, 2007, 28(1): 22-26. DOI: 10.7671/j.issn.1001-411X.2007.01.006
    Citation: GAN Hai-hua,PENG Ling-yun,LU Ying,WU Jing-yu,LAI Xue-mei. The Spatio-Temporal Variability of Available P and Total K in Cultivated Soil of Xinhui District in Guangdong Province[J]. Journal of South China Agricultural University, 2007, 28(1): 22-26. DOI: 10.7671/j.issn.1001-411X.2007.01.006
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    The Spatio-Temporal Variability of Available P and Total K in Cultivated Soil of Xinhui District in Guangdong Province

    • College of Resource and Environment, South China Agric. Univ. ,Guangzhou 510642, China

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    • Revised Date: November 02, 2005
      Abstract
    • Geostatistical methods were used in combination of GIS to analyze the spatial distribution char- acteristics of total K and available P in cultivated soils in Xinhui district, Guangdong Province, over 20 years from 1982 to 2003. The results showed that the content of total K and available P significantly increased with the cultivation and fertilizer application in the past 20 years; the content of total K in the south significantly increased; the total K and available P in cultivated soils had moderate spatial relativity ; the range of the total K and available P had relationships with the chemical action of soil nutrients.
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      GAN Hai-hua,PENG Ling-yun,LU Ying,WU Jing-yu,LAI Xue-mei

      • College of Resource and Environment, South China Agric. Univ. ,Guangzhou 510642, China

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