Andrews, Lennox Peter2009-07-132009-07-132009-07-13https://hdl.handle.net/2139/4876enPlease 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.eduCitrus. -- Diseases and pests -- Research -- Trinidad and TobagoCitrus. -- Research -- Trinidad and TobagoCrop yields -- Research -- Trinidad and TobagoField experiments -- Trinidad and TobagoPlants -- Nutrition -- Research -- Trinidad and TobagoThesis