H. S. Jayasinghearachchi, G. Seneviratne and H.M. S.P.M. Weerasinghe
International Journal of Agricultural Research 1 ( 1 ): 1 - 7 , 2006
H. S. Jayasinghearachchi, G. Seneviratne and H. M.S.P.M. Weerasinghe
International Journal of Soil Science 1 ( 1 ): 53 - 57 , 2006
H. S. Jayasinghearachchi and G. Seneviratne
Research Journal of Microbiology 1 ( 1 ): 83 - 89 , 2006