McIlroy, John2016-09-082016-09-08https://hdl.handle.net/2139/42755Soil permeability -- Trinidad and TobagoSoil percolation -- Trinidad and TobagoA study of the methods employed in measuring soil percolation rates, the change in percolation rate with season in a single soil, and the performance of the sphygmomanometer in a range of single grained soilsTheses