Walker, C.H.F.2016-11-232016-11-23https://hdl.handle.net/2139/43443Soils and nutrition -- Trinidad and TobagoSoils -- Trinidad and Tobago -- AnalysisSoil fertility -- Trinidad and Tobago -- TestingSweet potatoes -- Storage -- Trinidad and TobagoSweet potatoes -- Research -- Trinidad and TobagoSweet potatoes -- Trinidad and Tobago -- GrowthSweet potatoes -- Fertilizers -- Trinidad and TobagoFurther investigations into the Mitscherlich method of soil analysisTheses