Search Results - "Ojanen, Hannu"

Mapping of cultivated organic soils for targeting greenhouse gas mitigation by Kekkonen, Hanna, Ojanen, Hannu, Haakana, Markus, Latukka, Arto, Regina, Kristiina

“…Cultivated organic soils can be a major source of GHG emissions in countries with high coverage of peat soils. Targeting mitigation measures based on mapping…”
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Control of Heracleum mantegazzianum with pyrolysis liquid products by Hyvönen, Terho T., Hagner, Marleena M., Hurme, Timo K., Lindqvist, Bengt E., Ojanen, Hannu J.

“…Heracleum mantegazzianum is an invasive environmental weed that is widely distributed in Europe and whose distribution is continually expanding. Novel…”
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Fifth survey on weed flora in spring cereals in Finland by Salonen, Jukka, Jalli, Heikki, Muotila, Anne, Niemi, Mari, Ojanen, Hannu, Ruuttunen, Pentti, Hyvönen, Terho

“…Regular weed surveys provide information on changes in weed communities. The composition of weed flora in spring cereal fields was investigated in southern and…”
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Spatial and temporal variation in weather events critical for boreal agriculture: II Precipitation by Peltonen-Sainio, Pirjo, Pirinen, Pentti, Mäkelä, Hanna M., Ojanen, Hannu, Venäläinen, Ari

“…There is great temporal and spatial variation in precipitation in Finland. Both drought episodes and repeated, abundant rains may interfere with crop growth,…”
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Spatial and temporal variation in weather events critical for boreal agriculture: I Elevated temperatures by Peltonen-Sainio, Pirjo, Pirinen, Pentti, Mäkelä, Hanna M, Hyvärinen, Otto, Huusela-Veistola, Erja, Ojanen, Hannu, Venäläinen, Ari

“… Variation in temperature challenges crop production and animal farming. Elevated temperatures are often harmful, though may also open opportunities at high…”
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Spatial and temporal variation in weather events critical for boreal agriculture: III Frost and winter time fluctuation by Peltonen-Sainio, Pirjo, Pirinen, Pentti, Laapas, Mikko, Mäkelä, Hanna M., Ojanen, Hannu, Venäläinen, Ari

“…In the boreal zone of Europe, differences between the four seasons are considerable. Also, the within-season variation in climatic conditions is substantial…”
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Climate change adaptation in arable land use, and impact on nitrogen load at catchment scale in northern agriculture by Rankinen, Katri, Peltonen-Sainio, Pirjo, Granlund, Kirsti, Ojanen, Hannu, Laapas, Mikko, Hakala, Kaija, Sippel, Kalle, Helenius, Juha, Forsius, Martin

“…Prolongation of the growing season due to a warming climate could represent new opportunities for northern agriculture. Climatic and biotic constraints may…”
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Landscape epidemiology of an insect-vectored plant-pathogenic bacterium: Candidatus Liberibacter solanacearum in carrots in Finland by Nissinen, Anne I., Jauhiainen, Lauri, Ojanen, Hannu, Haapalainen, Minna, Virtanen, Atro, van der Werf, Wopke

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Spreading of Trioza apicalis and development of “Candidatus Liberibacter solanacearum” infection on carrot in the field conditions by Nissinen, Anne I., Haapalainen, Minna, Ojanen, Hannu, Pirhonen, Minna, Jauhiainen, Lauri

“…Carrot cultivation in Europe is suffering from infections with “Candidatus Liberibacter solanacearum” (CLso), a psyllid‐transmitted bacterial pathogen. In this…”
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Warming autumns at high latitudes of Europe: an opportunity to lose or gain in cereal production? by Peltonen-Sainio, Pirjo, Palosuo, Taru, Ruosteenoja, Kimmo, Jauhiainen, Lauri, Ojanen, Hannu

“…Climate change is projected to prolong Finland’s short growing season at both ends though warming autumns are not expected to benefit arable crops such as…”
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Harmfulness of weather events and the adaptive capacity of farmers at high latitudes of Europe by Peltonen-Sainio, Pirjo, Venäläinen, Ari, Mäkelä, Hanna M., Pirinen, Pentti, Laapas, Mikko, Jauhiainen, Lauri, Kaseva, Janne, Ojanen, Hannu, Korhonen, Panu, Huusela-Veistola, Erja, Jalli, Marja, Hakala, Kaija, Kaukoranta, Timo, Virkajärvi, Perttu

“…The climate in high latitudes is characterized by large variability in the weather, leading to significant and diverse risks in agriculture. This study aimed…”
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Climate change and prolongation of growing season: changes in regional potential for field crop production in Finland by PELTONEN-SAINIO, P., JAUHIAINEN, L., HAKALA, K.

“…Climate change offers new opportunities for Finnish field crop production, which is currently limited by the short growing season. A warmer climate will extend…”
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Climate change and prolongation of growing season : changes in regional for field crop production in Finland by Peltonen-Sainio, Pirjo, Jauhiainen, Lauri, Hakala, Kaija, Ojanen, Hannu

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Climate change adaptation in arable land use, and impact on nitrogen load at catchment scale in northern agriculture by Rankinen, Katri, Peltonen-Sainio, Pirjo, Granlund, Kirsti, Ojanen, Hannu, Laapas, Mikko, Hakala, Kaija, Sippel, Kalle, Helenius, Juha, Forsius, Martin

“…Prolongation of the growing season due to a warming climate could represent new opportunities for northern agriculture. Climatic and biotic constraints may…”
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