Jayasinghearachchi, H.S.Seneviratne, G.2015-11-202015-11-202004Biol Fertil Soils, 40:p.432-434https://dl-ifs.nsf.gov.lk/handle/1/758A bradyrhizobial-Penicillium spp. biofilm with nitrogenase activity improves N2 fixing symbiosis of soybeanArticle