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2.NSF Publications
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search.filters.author.Wijewardena, J.D.H.
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search.filters.author.Amarasiri, S.L.
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search.filters.author.Bandara, H.R.U.D.
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search.filters.author.Emitiyagoda, S.
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search.filters.author.Panagoda, P.V.A.
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search.filters.subject.Agriculture
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search.filters.subject.Agronomic eff ectiveness
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search.filters.subject.Bean
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search.filters.subject.Cropping sequence
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search.filters.subject.ESSP
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2010 - 2020
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Author: search.filters.author.Wijewardena, J.D.H.
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Item
Use of single superphosphate fertiliser produced using Eppawala rock phosphate as a source of phosphorous for rice cultivation
(
NSF:Colombo
,
2020-06
)
Udawatte, C.P.
;
Panagoda, P.V.A.
;
Wickramasinghe, W.M.A.D.B.
;
Wijewardena, J.D.H.
;
Sirisena, D.N.
;
Emitiyagoda, S.
;
Bandara, H.R.U.D.
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Item
Long-term use of potassium fertilizer for vegetable crops in the upcountry intermediate zone
(
NARESA:Colombo
,
1997
)
Wijewardena, J.D.H.
;
Amarasiri, S.L.
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Item
Effect of phosphorus sources and levels with particular emphasis on selectively mined Eppawela rock phosphate on vegetable production
(
National Science Foundation:
,
1998
)
Wijewardena, J.D.H.
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