Critical moisture content as an index of compactibility of agricultural soils in borno state of Nigeria |
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| Institution: | 1. School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China;2. School of Science, Hangzhou Dianzi University, Hangzhou 310018, Zhejiang, China;1. Key Laboratory for Micro/Nano Technology and System of Liaoning Province, Dalian University of Technology, Dalian, 116024, People''s Republic of China;2. Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, 116024, People''s Republic of China;1. School of Environmental Studies, China University of Geosciences at Wuhan, 430074, China;2. Key Laboratory of Western China’s Environmental Systems (Ministry of Education), Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, China;3. School of the Environment and National Centre for Groundwater Research and Training, Flinders University of South Australia, Australia;1. Department of Geological Sciences, Chiang Mai University, Chiang Mai 50200, Thailand;2. Badley Geoscience Ltd., North Beck House, North Beck Lane, Hundelby, Spilsby, Lincolnshire PE23 5NB, UK |
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| Abstract: | The critical moisture content for compaction of different soils in borno State was determined using the standard proctor compaction test.Our data indicated that for a given soil, the resultant bulk density is a function of the soil's moisture content and the compactive effort applied. This relationship between bulk density, compactive effort and moisture content was mathematically described. At a given compactive effort, the critical moisture content could be calculated from the derived equations.To define and calculate compactibility and critical indexes of the soils, the method of SOEHNE (1958) was used. The practical use of the indexes in agricultural practices was discussed. |
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