Browsing by Author "Abeygunawardana, P."
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Item Economic value of irrigation water in Dewahuwa irrigation scheme(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1993) Upasena, W.J.J.; Abeygunawardana, P.Item Economics of moisture conservation in chillie production in sandy regosols of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1993) Punyalal, M.G.; Abeygunawardana, P.