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)
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)