Tropical Agricultural Research

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Characterization of soil water movement in reddish brown earth soils (alfisol)
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1990) Pathmarajah, S.; Mapa, R.B.
Geostatistical analysis of soil properties to support spatial sampling in a paddy growing alfisol
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2010) Nayanaka, V.G.D.; Vitharana, W.A.U.; Mapa, R.B.
Soil water dynamics in alley cropping systems in the dry zone of Sri Lanka
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2001) Keerthisena, R.S.K.; Mapa, R.B.; Yapa, P.A.J.