Jeyabalasinkham, A.Gunawardena, E.R.N.2014-11-122014-11-121989Tropical Agricultural Research, 1:p.243-255https://dl.nsf.gov.lk/handle/1/11767Natural SciencesMahaweli projectSoil moistureGroundwaterInadequacy of piezometer method in determining the saturated moisture status of layered soilA