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Exchangeable Magnesium Content in Soil and Distribution in Shandong Province

Yang Li,Liu Guangdong & Song Guohan (Soil and Fertilizer Institute,Shandong Academy of Agricultural Sciences,Jinan 250100)  
Investigation of 1105 soil samples in plough horizon in Shandong Province showed that the exchangeable magnesium content is 0.48g/kg,with the minimum 0.02g/kg and the maximum 2.41g/kg.The exchangeable magnesium content varies in different type of soil,the consequent succession is as followed:alluvial soilsaline soilblack clay soilbrown soilcoars soilcinnamon soil.The exchangeable magnesium content and distribution in different land-form areas were also analyzed.
【Fund】: 山东省科委课题
【CateGory Index】: S153.61
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