Simpson, Leslie A.2009-02-062009-02-062009-02-06https://hdl.handle.net/2139/3899enPlease 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.eduClay soils -- GuyanaCorn -- Research -- GuyanaCowpea -- Research -- GuyanaManagement of soil physical properties for the production of maize (Zea Mays L.) and cowpea (Vigna unguiculata L. walp) on a clay soil in GuyanaThesis