@ARTICLE {FOX:1978, title = {Influence of phosphoros fertilizer placement and fertilization rate on maize nutrition}, author = {Fox, R. L. and Kang, B. T. }, journal = {Soil Science}, year = {1978}, volume = {125}, number = {1}, pages = {34--40}, issn = {0038-075X}, url = {http://journals.lww.com/soilsci/Fulltext/1978/01000/Influence_of_Phosphorus_Fertilizer_Placement_and.6.aspx}, }