| Charcoal as a habitat for microbes and its effect on the microbial community of the underlying humus J Pietikäinen, O Kiikkilä, H Fritze Oikos 89 (2), 231-242, 2000 | 1012 | 2000 |
| Structure of a microbial community in soil after prolonged addition of low levels of simulated acid rain T Pennanen, H Fritze, P Vanhala, O Kiikkilä, S Neuvonen, E Bååth Applied and Environmental Microbiology 64 (6), 2173-2180, 1998 | 226 | 1998 |
| Dissolved soil organic matter from surface organic horizons under birch and conifers: degradation in relation to chemical characteristics O Kiikkilä, V Kitunen, A Smolander Soil Biology and Biochemistry 38 (4), 737-746, 2006 | 125 | 2006 |
| Prolonged, simulated acid rain and heavy metal deposition: separated and combined effects on forest soil microbial community structure T Pennanen, J Perkiömäki, O Kiikkilä, P Vanhala, S Neuvonen, H Fritze FEMS Microbiology Ecology 27 (3), 291-300, 1998 | 117 | 1998 |
| Heavy-metal pollution and remediation of forest soil around the Harjavalta Cu-Ni smelter, in SW Finland O Kiikkilä Finnish Society of Forest Science, 2003 | 115 | 2003 |
| Remediation of heavy metal–contaminated forest soil using recycled organic matter and native woody plants HS Helmisaari, M Salemaa, J Derome, O Kiikkilä, C Uhlig, TM Nieminen Journal of environmental quality 36 (4), 1145-1153, 2007 | 94 | 2007 |
| Response of soil C and N transformations to tannin fractions originating from Scots pine and Norway spruce needles S Kanerva, V Kitunen, O Kiikkilä, J Loponen, A Smolander Soil Biology and Biochemistry 38 (6), 1364-1374, 2006 | 86 | 2006 |
| Exploring the mechanisms behind elevated microbial activity after wood ash application HK Jokinen, O Kiikkilä, H Fritze Soil Biology and Biochemistry 38 (8), 2285-2291, 2006 | 85 | 2006 |
| In situ bioremediation through mulching of soil polluted by a copper–nickel smelter O Kiikkilä, J Perkiömäki, M Barnette, J Derome, T Pennanen, E Tulisalo, ... Journal of Environmental Quality 30 (4), 1134-1143, 2001 | 82 | 2001 |
| Structure and function of microbial communities in the rhizosphere of Scots pine after tree-felling A Hernesmaa, K Björklöf, O Kiikkilä, H Fritze, K Haahtela, M Romantschuk Soil Biology and Biochemistry 37 (4), 777-785, 2005 | 65 | 2005 |
| Organic material as a copper immobilising agent: a microcosm study on remediation O Kiikkilä, T Pennanen, J Perkiömäki, J Derome, H Fritze Basic and Applied Ecology 3 (3), 245-253, 2002 | 65 | 2002 |
| Diversity of leaf litter leachates from temperate forest trees and its consequences for soil microbial activity FX Joly, N Fromin, O Kiikkilä, S Hättenschwiler Biogeochemistry 129, 373-388, 2016 | 63 | 2016 |
| Microbial ecology in a future climate: effects of temperature and moisture on microbial communities of two boreal fens K Peltoniemi, R Laiho, H Juottonen, O Kiikkilä, P Mäkiranta, K Minkkinen, ... FEMS Microbiology Ecology 91 (7), fiv062, 2015 | 58 | 2015 |
| Dissolved organic carbon export from harvested peatland forests with differing site characteristics M Nieminen, M Koskinen, S Sarkkola, A Laurén, A Kaila, O Kiikkilä, ... Water, Air, & Soil Pollution 226, 1-12, 2015 | 54 | 2015 |
| Soil microbial activity in relation to dissolved organic matter properties under different tree species O Kiikkilä, S Kanerva, V Kitunen, A Smolander Plant and soil 377, 169-177, 2014 | 52 | 2014 |
| Degradability of dissolved soil organic carbon and nitrogen in relation to tree species O Kiikkilä, V Kitunen, A Smolander FEMS Microbiology Ecology 53 (1), 33-40, 2005 | 52 | 2005 |
| Characterization of dissolved organic matter in decomposing Norway spruce and silver birch litter O Kiikkilä, V Kitunen, P Spetz, A Smolander European Journal of Soil Science 63 (4), 476-486, 2012 | 50 | 2012 |
| Properties of dissolved organic matter derived from silver birch and Norway spruce stands: degradability combined with chemical characteristics O Kiikkilä, V Kitunen, A Smolander Soil Biology and Biochemistry 43 (2), 421-430, 2011 | 44 | 2011 |
| Degradability, molecular weight and adsorption properties of dissolved organic carbon and nitrogen leached from different types of decomposing litter O Kiikkilä, A Smolander, V Kitunen Plant and soil 373, 787-798, 2013 | 43 | 2013 |
| Potential response of soil processes to diterpenes, triterpenes and tannins: Nitrification, growth of microorganisms and precipitation of proteins S Adamczyk, O Kiikkilä, V Kitunen, A Smolander Applied Soil Ecology 67, 47-52, 2013 | 42 | 2013 |
