Published March 3, 2014 at 500 × 332 in Bringing new options to farmers in Africa Sieg Snapp, professor of plant, soil and microbial sciences, at MSU’s Kellogg Biological Station. Image credit: Michigan State University Sieg Snapp, MAES soils and cropping systems ecologist in some of her plots at MSU’s Kellogg Biological Station. (Visited 5 times, 1 visits today)