| Ecophysiology of tea WA De Costa, AJ Mohotti, MA Wijeratne Brazilian Journal of Plant Physiology 19, 299-332, 2007 | 172 | 2007 |
| Salt resistance is determined by osmotic adjustment and abscisic acid in newly developed maize hybrids in the first phase of salt stress W De Costa, C Zörb, W Hartung, S Schubert Physiologia Plantarum 131 (2), 311-321, 2007 | 115 | 2007 |
| Climate change in Sri Lanka: myth or reality? Evidence from long-term meteorological data W De Costa Journal of the National Science Foundation of Sri Lanka 36, 2008 | 106 | 2008 |
| Physiology of yield determination of rice under elevated carbon dioxide at high temperatures in a subhumid tropical climate W De Costa, WMW Weerakoon, H Herath, KSP Amaratunga, ... Field Crops Research 96 (2-3), 336-347, 2006 | 93 | 2006 |
| Physiology of yield determination of soybean (Glycine max (L.) Merr.) under different irrigation regimes in the sub-humid zone of Sri Lanka W De Costa, KN Shanmugathasan Field Crops Research 75 (1), 23-35, 2002 | 82 | 2002 |
| Varietal variation in growth, physiology and yield of sugarcane under two contrasting water regimes ALC De Silva, W De Costa Tropical Agricultural Research 16 (1), 1-12, 2004 | 80 | 2004 |
| Factors controlling transpiration of mature field-grown tea and its relationship with yield A Anandacoomaraswamy, W De Costa, HW Shyamalie, GS Campbell Agricultural and Forest Meteorology 103 (4), 375-386, 2000 | 80 | 2000 |
| Growth and phosphorus nutrition of rice when inorganic fertiliser application is partly replaced by straw under varying moisture availability in sandy and clay soils L Suriyagoda, W De Costa, H Lambers Plant and soil 384, 53-68, 2014 | 78 | 2014 |
| Physiology of yield determination of mung bean (Vigna radiata (L.) Wilczek) under various irrigation regimes in the dry and intermediate zones of Sri Lanka W De Costa, KN Shanmugathasan, K Joseph Field Crops Research 61 (1), 1-12, 1999 | 71 | 1999 |
| Effects of different water regimes on field-grown determinate and indeterminate faba bean (Vicia faba L.). II. Yield, yield components and harvest index W De Costa, MD Dennett, U Ratnaweera, K Nyalemegbe Field Crops Research 52 (1-2), 169-178, 1997 | 69 | 1997 |
| Effects of different water regimes on field-grown determinate and indeterminate faba bean (Vicia faba L.). I. Canopy growth and biomass production W De Costa, MD Dennett, U Ratnaweera, K Nyalemegbe Field Crops Research 49 (2-3), 83-93, 1997 | 64 | 1997 |
| Adaptation of agricultural crop production to climate change: A policy framework for Sri Lanka W De Costa Journal of the National Science Foundation of Sri Lanka 38 (2), 2010 | 60 | 2010 |
| Agronomic regeneration of soil fertility in tropical Asian smallholder uplands for sustainable food production W De Costa, UR Sangakkara The Journal of Agricultural Science 144 (2), 111-133, 2006 | 57 | 2006 |
| Response of Growth and Yield of Rice (Oryza sativa) to Elevated Atmospheric Carbon Dioxide in the Subhumid Zone of Sri Lanka W De Costa, WMW Weerakoon, H Herath, RMI Abeywardena Journal of Agronomy and Crop Science 189 (2), 83-95, 2003 | 57 | 2003 |
| Genotypic Variation in the Response of Rice (Oryza sativa L.) to Increased Atmospheric Carbon Dioxide and its Physiological Basis W De Costa, WMW Weerakoon, KGR Chinthaka, H Herath, ... Journal of Agronomy and Crop Science 193 (2), 117-130, 2007 | 55 | 2007 |
| A review of the possible impacts of climate change on forests in the humid tropics W De Costa J Natl Sci Found Sri 39, 281-302, 2011 | 48 | 2011 |
| The physiological basis of increased biomass partitioning to roots upon nitrogen deprivation in young clonal tea (Camellia sinensis (L.) O. Kuntz) A Anandacoomaraswamy, W De Costa, PLK Tennakoon, A Van Der Werf Plant and soil 238, 1-9, 2002 | 46 | 2002 |
| Accumulation and partitioning of biomass, nitrogen, phosphorus and potassium among different tissues during the life cycle of rice grown under different water management regimes K Somaweera, LDB Suriyagoda, DN Sirisena, W De Costa Plant and Soil 401, 169-183, 2016 | 44 | 2016 |
| Incorporation of dolomite reduces iron toxicity, enhances growth and yield, and improves phosphorus and potassium nutrition in lowland rice (Oryza sativa L) LDB Suriyagoda, DN Sirisena, K Somaweera, A Dissanayake, ... Plant and Soil 410, 299-312, 2017 | 43 | 2017 |
| Decomposition and nutrient loss from prunings of different contour hedgerow species in tea plantations in the sloping highlands of Sri Lanka W De Costa, A Atapattu Agroforestry Systems 51, 201-211, 2001 | 41 | 2001 |
