Importance of microbial communities at the root-soil interface for extracellular polymeric substances and soil aggregation in semiarid grasslands - Bettermann A.; Zethof J.H.T.; Babin D.; Cammeraat E.L.H.; Solé-Benet A.; Lázaro R.; Luna L.; Nesme J.; Sørensen S.J.; Kalbitz K.; Smalla K.; Vogel C. (SOIL BIOLOGY and BIOCHEMISTRY, 2021)