MADISON, WI, OCTOBER 27, 2009 -- Worldwide leaders in agricultural research, science policy, and soil science will address emerging developments in plant and soil sciences as daily plenary lectures during the 2009 Annual Meetings of the American Society of Agronomy (ASA), Crop Science Society of America (CSSA), and Soil Science Society of America (SSSA), Nov. 1-5 in Pittsburgh, PA.The meeting will be held at the David L. Lawrence Convention Center in Pittsburgh, PA. The four daily plenary lecturers are: