Nitrification in two coniferous forest soils after different fertilization treatmentsMARTIKAINEN, P. J.Soil biology & biochemistry. 1984, Vol 16, Num 6, pp 577-582, issn 0038-0717Article

Nitrification in forest soil of different pH as affected by urea, ammonium sulphate and potassium sulphateMARTIKAINEN, P. J.Soil biology & biochemistry. 1985, Vol 17, Num 3, pp 363-367, issn 0038-0717Article

Numbers of autotrophic nitrifiers and nitrification in fertilized forest soilMARTIKAINEN, P. J.Soil biology & biochemistry. 1985, Vol 17, Num 2, pp 245-248, issn 0038-0717Article

Nitrous oxide emission associated with autotrophic ammonium oxidation in acid coniferous forest soilMARTIKAINEN, P. J.Applied and environmental microbiology (Print). 1985, Vol 50, Num 6, pp 1519-1525, issn 0099-2240Article

Mineralization of C and N and nitrification in Scots pine forest soil treated with nitrogen fertilizers containing different proportions of urea and its slow-releasing derivative, ureaformaldehydeAARNIO, T; MARTIKAINEN, P. J.Soil biology & biochemistry. 1995, Vol 27, Num 10, pp 1325-1331, issn 0038-0717Article

Mineralization of carbon and nitrogen in acid forest soil treated with fast and slow-release nutrientsAARNIO, T; MARTIKAINEN, P. J.Plant and soil. 1994, Vol 164, Num 2, pp 193-197, issn 0032-079XArticle

Evaluation of the fumigation-extraction method for the determination of microbial C and N in a range of forest soilsMARTIKAINEN, P. J; PALOJÄRVI, A.Soil biology & biochemistry. 1990, Vol 22, Num 6, pp 797-802, issn 0038-0717, 6 p.Article

Nitrous oxide production and nitrification in acidic soil from a dutch coniferous forestMARTIKAINEN, P. J; DE BOER, W.Soil biology & biochemistry. 1993, Vol 25, Num 3, pp 343-347, issn 0038-0717Article

Mineralization of carbon and nitrogen, and nitrification in Scots pine forest soil treated with fast- and slow-release nitrogen fertilizersAARNIO, T; MARTIKAINEN, P. J.Biology and fertility of soils. 1996, Vol 22, Num 3, pp 214-220, issn 0178-2762Article

Nitrification in forest soil after refertilization with urea or urea and dicyandiamideAARNIO, T; MARTIKAINEN, P. J.Soil biology & biochemistry. 1992, Vol 24, Num 10, pp 951-954, issn 0038-0717Article

Effect of the organic horizon on methane oxidation and uptake in soil of a boreal Scots pine forestSAARI, A; HEISKANEN, J; MARTIKAINEN, P. J et al.FEMS microbiology ecology. 1998, Vol 26, Num 3, pp 245-255, issn 0168-6496Article

Changes in water microbial quality during bank filtration of lake waterMIETTINEN, I. T; VARTIAINEN, T; MARTIKAINEN, P. J et al.Canadian journal of microbiology. 1997, Vol 43, Num 12, pp 1126-1132, issn 0008-4166Article

Effect of heat flushing on the concentrations of Legionella pneumophila and other heterotrophic microbes in hot water systems of apartment buildingsZACHEUS, O. M; MARTIKAINEN, P. J.Canadian journal of microbiology. 1996, Vol 42, Num 8, pp 811-818, issn 0008-4166Article

Occurrence of heterotrophic bacteria and fungi in cold and hot water distribution systems using water of different qualityZACHEUS, O. M; MARTIKAINEN, P. J.Canadian journal of microbiology. 1995, Vol 41, Num 12, pp 1088-1094, issn 0008-4166Article

Long-term availability of nutients in forest soil derived from fast- and slow-release fertilizersAARNIO, T; RÄTY, M; MARTIKAINEN, P. J et al.Plant and soil. 2003, Vol 252, Num 2, pp 227-239, issn 0032-079X, 13 p.Article

Mechanisms of N₂O and NO production in the soil profile of a drained and forested peatland, as studied with acetylene, nitrapyrin and dimethyl etherREGINA, K; SILVOLA, J; MARTIKAINEN, P. J et al.Biology and fertility of soils. 1998, Vol 27, Num 2, pp 205-210, issn 0178-2762Article

Growth, respiration and survival of legionella pneumophila at high temperaturesKUSNETSOV, J. M; OTTOILA, E; MARTIKAINEN, P. J et al.Journal of applied bacteriology. 1996, Vol 81, Num 4, pp 341-347, issn 0021-8847Article

Survival of Escherichia coli and Campylobacter jejuni in untreated and filtered lake waterKORHONEN, L. K; MARTIKAINEN, P. J.Journal of applied bacteriology. 1991, Vol 71, Num 4, pp 379-382, issn 0021-8847Article

Nitrosospira, an important ammonium-oxidizing bacterium in fertilized coniferous forest soilMARTIKAINEN, P. J; NURMIAHO-LASSILA, E.-L.Canadian journal of microbiology. 1985, Vol 31, Num 3, pp 190-197, issn 0008-4166Article

Phosphorus and bacterial growth in drinking waterMIETTINEN, I. T; VARTIAINEN, T; MARTIKAINEN, P. J et al.Applied and environmental microbiology (Print). 1997, Vol 63, Num 8, pp 3242-3245, issn 0099-2240Article

Methane consumption in a frequently nitrogen-fertilized and limed spruce forest soil after clear-cuttingSAARI, A; SMOLANDER, A; MARTIKAINEN, P. J et al.Soil use and management. 2004, Vol 20, Num 1, pp 65-73, issn 0266-0032, 9 p.Article

Determination of assimilable organic carbon in humus-rich drinking watersMIETTINEN, I. T; VARTIAINEN, T; MARTIKAINEN, P. J et al.Water research (Oxford). 1999, Vol 33, Num 10, pp 2277-2282, issn 0043-1354Article

Mutagenicity and amount of chloroform after chlorination of bank filtered lake waterMIETTINEN, I. T; MARTIKAINEN, P. J; VARTIAINEN, T et al.Science of the total environment. 1998, Vol 215, Num 1-2, pp 9-17, issn 0048-9697Article

Effect of freezing of water samples on viable counts of environmental mycobacteriaLIVANAINEN, E; MARTIKAINEN, P. J; KATILA, M.-L et al.Letters in applied microbiology. 1995, Vol 21, Num 4, pp 257-260, issn 0266-8254Article

Comparison of some enrichment broths and growth media for the isolation of thermophilic campylobacters from surface water samplesKORHONEN, L. K; MARTIKAINEN, P. J.Journal of applied bacteriology. 1990, Vol 68, Num 6, pp 593-599, issn 0021-8847, 7 p.Article