Tropical Agricultural Research

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Adsorption of paraquat in selected Sri Lankan soils
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1996) Ratnayake, J.I.L.B.; Kumaragamage, D.
Evaluation of phosphorus extraction methods for assessing phosphorus availability of some Sri Lankan soils
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1995) Withana, A.K.; Kumaragamage, D.
Fate of Diuron in selected Agricultural soils
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1998) Ratnayake, J.I.L.B.; Kumaragamage, D.
An investigation on phosphate adsorption in six Sri Lankan soils in relation to their chemical and mineralogical properties
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1991) Jayawickrama, S.P.; Thenabadu, M.W.; Kumaragamage, D.