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Postgraduate Institute of Agriculture, University of Peradeniya
The Postgraduate Institute of Agriculture(PGIA), Univesity of Peradeniya
PGIA e-Repository
Browsing by Author De Costa, W.A.J.M.
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Showing results 1 to 10 of 10
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Issue Date
Title
Author(s)
2000
Effect of soil moisture stress at selected stages of growth on the net photosynthetic rate and stomatal resistance and their impact on the yield of chilli (capsicum annuum L.)
Mahendran, S.
;
Bandara, D.C.
;
De Costa, W.A.J.M.
1996
Effects of irrigation at different growth stages on yield components and yield of Soybean (Glycine max(L.) Merr.) grown in the low country dry zone of Sri Lanka
Shunmugathasan, K.N.
;
De Costa, W.A.J.M.
;
Joseph, K.D.S.M
2010
The electromagnetic potential gradient, Ca2+ and starch-statoliths on the uneven growth of plants
Wanduragala, P.S.B.
;
Eeswara, J.P.
;
De Costa, W.A.J.M.
2016
Evaluation of a climate change-adaptive, eco-friendly agronomic package for potato (solanum tuberosum l.) cultivation in the farmer fields of the Jaffna district of Sri Lanka
Eeswaran, R.
;
De Costa, W.A.J.M.
;
De Costa, D.M.
;
Dandeniya, W.S.
;
Sivakumar, S.
;
Suriyagoda, L.D.B.
2003
Evaluation of different genotypes of tomato under well watered and water stressed conditions on the basis of yield and some selected physiological parameters
Weerasinghe, O.R.
;
De Costa, W.A.J.M.
;
Perera, A.L.T.
1992
Is canopy light extinction coefficient a species - specific constant?
De Costa, W.A.J.M.
;
Dennett, M.D.
2004
Production of tomato hybrids for dry zone conditions of Sri Lanka using combining ability analysis, heterosis and DNA testing procedures
Weerasinghe, O.R.
;
Perera, A.L.T.
;
De Costa, W.A.J.M.
;
Jinadase, D.M.
;
Vishnukanthasingham, R.
1996
Productivity of intercropped maize (Zea mays) and varieties of yard -long bean (Vigna unguiculata) as affected by planting time
Ranasinghe, R.A.D.T.K.
;
De Costa, W.A.J.M.
;
Sangakkara, U.R.
2020-01
Response of tree community composition, plant diversity and aboveground tree biomass in tropical rainforests of Sri Lanka to variation in altitude
Sanjeewani, H.K.N.
;
Samarasinghe, D.P.
;
Jayasinghe, H.D.
;
Gardiyawasam, P.H.
;
Wahala, W.M.P.S.B.
;
Wijetunga, W.M.G.A.S.T.B.
;
Ukuwela, K.D.B.
;
Gomes, P.
;
De Costa, W.A.J.M.
2004
Varietal variation in growth, physiology and yield of sugarcane under two contrasting water regimes
De Silva, A.L.C.
;
De Costa, W.A.J.M.
