2014 De-La-Pena and Loyola_Varga. biotic interactions in rhizosphere Plant Physiol.-2014-De-la-Peña-701-19 June 2, 2015 by lspierson 2014 De-La-Pena and Loyola_Varga. biotic interactions in rhizosphere Plant Physiol.-2014-De-la-Peña-701-19