Eudoxie, Gaius Dalton2008-11-212008-11-212008-11-21https://hdl.handle.net/2139/809enPlease contact the West Indiana Division at the University of the West Indies,St.Augustine in order to view the full thesis. Contact: wimail@sta.uwi.eduSoils -- CompositionSoils -- Nitrogen content -- Trinidad and TobagoSoil management -- Trinidad and TobagoUse of 15N tracer techniques to evaluate factors affecting interlayer fixation of NH4+ and its subsequent release in Trinidadian soilsThesis