Tropical Agricultural Research

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Now showing 1 - 3 of 3

Economic impact of trade liberalization for other field crops in Sri Lanka
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1999) Ratnasiri, S.; Marasinghe, R.; Weerahewa, J.
Reasons for and impacts of excessive fertilizer usage for potato farming in the NuwaraEliya district
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2006) Ariyapala, W.S.B.; Nissanka, S.P.
An assessment of technical efficiency of potato production
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2001) Amarasinghe, S.T.C.; Weerahewa, J.