| Blue-green algae and rice PA Roger, SA Kulasooriya Int. Rice Res. Inst., 1980 | 472 | 1980 |
| Interactions among endophytic bacteria and fungi: effects and potentials WMMS Bandara, G Seneviratne, SA Kulasooriya Journal of biosciences 31, 645-650, 2006 | 298 | 2006 |
| Tree root characteristics as criteria for species selection and systems design in agroforestry G Schroth Agroforestry: Science, Policy and Practice: Selected papers from the …, 1995 | 291 | 1995 |
| The heterocysts of blue-green algae. III. Differentiation and nitrogenase activity SA Kulasooriya, NJ Lang, P Fay Proceedings of the Royal Society of London. Series B. Biological Sciences …, 1972 | 126 | 1972 |
| Modeling impacts of management alternatives on soil carbon storage of farmland in Northwest China F Zhang, C Li, Z Wang, H Wu Biogeosciences 3 (4), 451-466, 2006 | 104 | 2006 |
| Cyanobacteria: pioneers of planet earth SA Kulasooriya Ceylon Journal of Science (Bio. Sci.) 40 (2), 71-88, 2011 | 94 | 2011 |
| Deep placement: A method of nitrogen fertilizer application compatible with algal nitrogen fixation in wetland rice soils PA Roger, SA Kulasooriya, AC Tirol, ET Craswell Plant and soil 57, 137-142, 1980 | 85 | 1980 |
| Reinstating soil microbial diversity in agroecosystems: the need of the hour for sustainability and health G Seneviratne, SA Kulasooriya Agriculture, ecosystems & environment 164, 181-182, 2013 | 67 | 2013 |
| Chemical composition of cultures and natural samples of N2-fixing blue-green algae from rice fields PA Roger, A Tirol, S Ardales, I Watanabe Biology and fertility of soils 2, 131-146, 1986 | 67 | 1986 |
| Quality of different mulch materials and their decomposition and N release under low moisture regimes G Seneviratne, LHJ Van Holm, SA Kulasooriya Biology and Fertility of Soils 26, 136-140, 1997 | 61 | 1997 |
| Tetrazolium reduction and nitrogenase activity in heterocystous blue-green algae P Fay, SA Kulasooriya Archiv für Mikrobiologie 87, 341-352, 1972 | 55 | 1972 |
| Establishment of Azorhizobium caulinodans in the rhizosphere of wetland rice (Oryza sativa L.) C Van Nieuwenhove, L Van Holm, SA Kulasooriya, K Vlassak, ... Biology and fertility of soils 31, 143-149, 2000 | 38 | 2000 |
| The relation of acetylene reduction to heterocyst frequency in blue-green algae WJ JEWELL, SA Kulasooriya Journal of Experimental Botany 21 (4), 874-880, 1970 | 38 | 1970 |
| Differential effects of soil properties on leaf nitrogen release G Seneviratne, LHJ Van Holm, LJA Balachandra, SA Kulasooriya Biology and fertility of soils 28, 238-243, 1999 | 36 | 1999 |
| Epiphytic nitrogen fixation on deepwater rice SA Kulasooriya, PA Roger, WL Barraquio, I Watanabe Soil Science and Plant Nutrition 27 (1), 19-27, 1981 | 32 | 1981 |
| Nitrogen fixing cyanobacteria: their diversity, ecology and utilisation with special reference to rice cultivation SA Kulasooriya, DN Magana-Arachchi Journal of the National Science Foundation of Sri Lanka 44 (2), 2016 | 29 | 2016 |
| Effect of soil carbohydrates on nutrient availability in natural forests and cultivated lands in Sri Lanka RR Ratnayake, G Seneviratne, SA Kulasooriya Eurasian Soil Science 46, 579-586, 2013 | 27 | 2013 |
| A simple apparatus for the continuous culture of photosynthetic micro-organisms P Fay, SA Kulasooriya British Phycological Journal 8 (1), 51-57, 1973 | 25 | 1973 |
| Emergence of diverse microbes on application of biofilmed biofertilizers to a maize growing soil UVA Buddhika, A Athauda, G Seneviratne, SA Kulasooriya, ... Ceylon Journal of Science (Bio. Sci.) 42 (2), 87-94, 2013 | 22 | 2013 |
| Cyanobacteria and Azolla as biofertilizer for rice SA Kulasooriya Cyanobacterial biotechnology, 201-9, 1998 | 21 | 1998 |
