Perttu Virkajärvi

Principal Scientist
  • Phone number +358295326641
  • Email address perttu.virkajarvi@luke.fi
  • Address Halolantie 31 A 71750 MAANINKA

The effect of spring melt conditions on phosphorus losses in surface runoff from grassland fertilised with mineral P or slurry

Refereed scientific publications
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2020

Response of grass yield to soil acid-extractable potassium

Refereed scientific publications
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2020

Effects of increasing plant diversity on yield of grass and grass-legume leys in Finland

Refereed scientific publications
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2020

Sustainability of Vehicle Fuel Biomethane Produced from Grass Silage in Finland

Refereed scientific publications
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2020

Losses of phosphorus, nitrogen, dissolved organic carbon and soil from a small agricultural and forested catchment in east-central Finland

Refereed scientific publications
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2020

Biodiversity in intensive and extensive grasslands in Finland: the impacts of spatial and temporal changes of agricultural land use

Refereed scientific publications
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2020

Carbon dioxide and methane exchange of a perennial grassland on a boreal mineral soil

Refereed scientific publications
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2020

Effects of nitrogen application rate on productivity, nutritive value and winter tolerance of timothy and meadow fescue cultivars

Refereed scientific publications
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2020

Nitrous oxide emissions from perennial grass cropping systems on a boreal mineral soil

Refereed scientific publications
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2019

Simulation of timothy nutritive value: A comparison of three process-based models

Refereed scientific publications
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2018

The Impact of Intensive Grass Cultivation on Biodiversity - Review

Other publications
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2018

Mitigating environmental impacts of beef production - scenario comparison

Refereed scientific publications
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2018

New nitrogen fertilisation experiments challenge the old yield responses of forage grasses in Finland

Refereed scientific publications
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2018

Effect of digestate application, N fertilisation and forage species on biomass and biogas production

Refereed scientific publications
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2018

Forage grasses effectively use soil P-pools in low-PAAC soils in Finland

Refereed scientific publications
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2018

Dynamic LCA model for estimating environmental effects of Finnish beef production (FootprintBeef)

Refereed scientific publications
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2018

Biochar addition changed the nutrient content and runoff water quality from the top layer of a grass field during simulated snowmelt

Refereed scientific publications
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2018

Modelling grass yields in northern climates – a comparison of three growth models for timothy

Refereed scientific publications
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2018

Emissions of atmospherically important nitrous acid (HONO) gas from northern grassland soil increases in the presence of nitrite (NO2−)

Refereed scientific publications
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2018

How can forage production in Nordic and Mediterranean Europe adapt to the challenges and opportunities arising from climate change?

Refereed scientific publications
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2018

Gaps in the capacity of modern forage crops to adapt to the changing climate in northern Europe

Refereed scientific publications
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2018

INDO-NORDEN - a consortium for developing holistic processes and land use practices for clean energy

Other publications
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2017

Shifts in soil–climate combination deserve attention

Refereed scientific publications
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2017

Shoot growth and phosphorus-nitrogen relationship of grassland swards in response to mineral phosphorus fertilization

Refereed scientific publications
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2017