@ARTICLE {OSINAME: 1986, title = {The effect of potassium fertilization on maize yield and calcium, magnesium and potassium status in an oxic Paleustalf in south-western Nigeria}, author = {Osiname, O. * and Kang, B. }, journal = {Potash Review}, year = {1986}, volume = {5}, number = {9}, pages = {1--6}, }