共 10 条
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Effect of cropping systems on soil chemical characteristics, with emphasis on soil acidification *[J] . M.L. Burle,J. Mielniczuk,S. Focchi.Plant and Soil . 1997 (2)
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Deforestation effects on soil physical and chemical properties, Lordegan, Iran[J] . Mohammad A. Hajabbasi,Ahmad Jalalian,Hamid R. Karimzadeh.Plant and Soil . 1997 (2)