Journal Article
Phiri, S.
Phiri, S.; Rao, Idupulapati Madhusudana; Barrios, Edmundo; SINGH, B.R.. 2003. Plant growth, mycorrhizal association, nutrient uptake and phosphorus dynamics in a volcanic-ash soil in Colombia as affected by the establishment of Tithonia diversifolia . Journal of Sustainable Agriculture (USA) 21(3):43-61