All Stories

  1. Response of Mung Bean (Vigna radiata (L.) R. Wilczek) to an Increasing Natural Temperature Gradient under Different Crop Management Systems

    Article • Journal of Agronomy and Crop Science, April 2015, Wiley

    Professor Janendra W.A.J.M. De Costa

  2. Identification of differentially-expressed genes in response to salt stress in the salt-tolerant Sri Lankan rice variety At354

    Article • Journal of the National Science Foundation of Sri Lanka, June 2013, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  3. Climate change research in Sri Lanka – Are we investing enough?

    Article • Journal of the National Science Foundation of Sri Lanka, December 2012, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  4. Identification of Sri Lankan rice varieties having osmotic and ionic stress tolerance during the first phase of salinity stress

    Article • Journal of the National Science Foundation of Sri Lanka, September 2012, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  5. Authors’ response to the correspondence by Dr. Janaka Ratnasiri on the Research Article: Estimation of carbon stocks in the forest plantations of Sri Lanka by De Costa, W.A.J.M. & Suranga, H.R. JNSF 40(1): 9-41.

    Article • Journal of the National Science Foundation of Sri Lanka, June 2012, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  6. Determination of the appropriate level of salinity for screening of hydroponically grown rice for salt tolerance

    Article • Journal of the National Science Foundation of Sri Lanka, June 2012, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  7. Growth and Radiation Use Efficiency of Sugarcane Under Irrigated and Rain-fed Conditions in Sri Lanka

    Article • Sugar Tech, April 2012, Springer Science + Business Media

    Professor Janendra W.A.J.M. De Costa, A L Chandrajith De Silva

  8. Estimation of carbon stocks in the forest plantations of Sri Lanka

    Article • Journal of the National Science Foundation of Sri Lanka, March 2012, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  9. A review of the possible impacts of climate change on forests in the humid tropics

    Article • Journal of the National Science Foundation of Sri Lanka, December 2011, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  10. Adaptation of agricultural crop production to climate change: a policy framework for Sri Lanka

    Article • Journal of the National Science Foundation of Sri Lanka, June 2010, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  11. Investing in research

    Article • Journal of the National Science Foundation of Sri Lanka, June 2010, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  12. Estimation of water use of mature coconut (Cocos nucifera L.) cultivars (CRIC 60 and CRIC 65) grown in the low country intermediate zone using the compensation heat pulse method (CHPM)

    Article • Journal of the National Science Foundation of Sri Lanka, September 2009, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  13. Variation of Phyllosphere Microflora of Different Rice Varieties in Sri Lanka and its Relationship to Leaf Anatomical and Physiological Characters

    Article • Journal of Agronomy and Crop Science, June 2006, Wiley

    Professor Janendra W.A.J.M. De Costa

  14. Transpiration characteristics of some homegarden tree species in Central Sri Lanka

    Article • January 2006, Springer Science + Business Media

    Professor Janendra W.A.J.M. De Costa

  15. Tree-crop interactions in hedgerow intercropping with different tree species and tea in Sri Lanka: 1. Production and resource competition

    Article • Agroforestry Systems, June 2005, Springer Science + Business Media

    Professor Janendra W.A.J.M. De Costa

  16. Response of Photosynthesis and Water Relations of Rice (Oryza sativa) to Elevated Atmospheric Carbon Dioxide in the Subhumid Zone of Sri Lanka

    Article • Journal of Agronomy and Crop Science, April 2003, Wiley

    Professor Janendra W.A.J.M. De Costa

  17. Response of Growth and Yield of Rice (Oryza sativa) to Elevated Atmospheric Carbon Dioxide in the Subhumid Zone of Sri Lanka

    Article • Journal of Agronomy and Crop Science, April 2003, Wiley

    Professor Janendra W.A.J.M. De Costa

  18. Physiology of yield determination of soybean (Glycine max (L.) Merr.) under different irrigation regimes in the sub-humid zone of Sri Lanka

    Article • Field Crops Research, March 2002, Elsevier

    Professor Janendra W.A.J.M. De Costa

  19. A physiological investigation into the invasive behaviour of some plant species in a mid-country forest reserve in Sri Lanka

    Article • Journal of the National Science Foundation of Sri Lanka, June 2001, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  20. Prediction of the effects of elevated CO2 and temperature on irrigated rice varieties in the low-country dry zone of Sri Lanka using a process-based simulation model

    Article • Journal of the National Science Foundation of Sri Lanka, September 2000, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  21. Competition between six hedgerow tree species and mung bean (Vigna radiata (L.)Wilczek) in the mid-country intermediate zone

    Article • Journal of the National Science Foundation of Sri Lanka, June 2000, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  22. Environmental Interactions between Different Tree Species and Mung Bean (Vigna radiata (L.) Wilczek) in Hedgerow Intercropping Systems in Sri Lanka

    Article • Journal of Agronomy and Crop Science, May 2000, Wiley

    Professor Janendra W.A.J.M. De Costa

  23. Effects of shades and water stress on growth and related physiological parameters of the seedlings of five forest tree species

    Article • Journal of the National Science Foundation of Sri Lanka, March 2000, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  24. Relationship between stomatal conductance and leaf water potential in selected forest tree species growing under different levels of natural shade in the mid-country wet zone

    Article • Journal of the National Science Foundation of Sri Lanka, March 2000, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  25. Effects of Irrigation at Different Growth Stages on Vegetative Growth of Mung Bean, Vigna Radiata (L.) Wilczek, in Dry and Intermediate Zones of Sri Lanka

    Article • Journal of Agronomy and Crop Science, September 1999, Wiley

    Professor Janendra W.A.J.M. De Costa

  26. Effects of Irrigation at Different Growth Stages and Source-Sink Manipulations on Yield and Yield Components of Mung Bean, Vigna radiata (L.) Wilczek, in Dry and Intermediate Zones of Sri Lanka

    Article • Journal of Agronomy and Crop Science, September 1999, Wiley

    Professor Janendra W.A.J.M. De Costa

  27. Physiology of yield determination of mung bean (Vigna radiata (L.) Wilczek) under various irrigation regimes in the dry and intermediate zones of Sri Lanka

    Article • Field Crops Research, March 1999, Elsevier

    Professor Janendra W.A.J.M. De Costa

  28. Prediction of the effects of soil water stress on grain yield and radiation use efficiency of rice (Oryza sativa L.) using a simulation model

    Article • Journal of the National Science Foundation of Sri Lanka, June 1998, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  29. Effect of potassium and water availability on water use efficiency of common bean (Phaseolus vulgaris L.)

    Article • Journal of the National Science Foundation of Sri Lanka, December 1997, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa

  30. Effects of water stress on nitrogen fixation of common bean (Phaseolus vulgaris L.)

    Article • Journal of the National Science Foundation of Sri Lanka, June 1997, Sri Lanka Journals Online (SLJOL)

    Professor Janendra W.A.J.M. De Costa