Perttu Virkajärvi

Defoliation and patchy nutrient return drive grazing effects on plant and soil properties in a dairy cow pasture

Juha Mikola, Heikki Setälä, Perttu Virkajärvi et al. · Ecological Monographs · 2009 · 206 citations · Full text

Agriculture, Ecology, Soil Sciences +17

Phosphorus fertilization: A meta-analysis of 80 years of research in Finland

Elena Valkama, Risto Uusitalo, Kari Ylivainio et al. · Agriculture Ecosystems & Environment · 2009 · 118 citations

Agriculture, Agronomy, Soil Sciences +12

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

Åshild Ergon, Giovanna Seddaiu, Panu Korhonen et al. · European Journal of Agronomy · 2017 · 99 citations · Full text

Agriculture, Agroecology, Sustainable Agriculture +14

Fluxes of nitrous oxide and nitric oxide from experimental excreta patches in boreal agricultural soil

Marja Maljanen, Maritta Martikkala, Hannu T. Koponen et al. · Soil Biology and Biochemistry · 2006 · 93 citations

Agriculture, Earth Sciences, Soil Sciences +16

Fluxes and production of N<sub>2</sub>O, CO<sub>2</sub> and CH<sub>4</sub> in boreal agricultural soil during winter as affected by snow cover

Marja Maljanen, A.-R. Kohonen, Perttu Virkajärvi et al. · Tellus B · 2007 · 87 citations · Full text

Natural Sciences, Earth Sciences, Soil Sciences +17