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1

Managing resilience of forage crops to climate change through response diversity

Mäkinen, Hanna, Kaseva, Janne, Virkajärvi, Perttu, Kahiluoto, Helena

Journal:

Field Crops Research

Year:

2015

Language:

english

File:

PDF, 1.96 MB

english, 2015

2

Nitrogen fertilization of grass leys: Yield production and risk of N leaching

Valkama, Elena, Rankinen, Katri, Virkajärvi, Perttu, Salo, Tapio, Kapuinen, Petri, Turtola, Eila

Journal:

Agriculture, Ecosystems & Environment

Year:

2016

Language:

english

File:

PDF, 1.41 MB

english, 2016

3

Emissions of atmospherically important nitrous acid (HONO) gas from northern grassland soil increases in the presence of nitrite (NO 2 − )

Bhattarai, Hem Raj, Virkajärvi, Perttu, Yli-Pirilä, Pasi, Maljanen, Marja

Journal:

Agriculture, Ecosystems & Environment

Year:

2018

Language:

english

File:

PDF, 423 KB

english, 2018

4

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

Saarnio, Sanna, Räty, Mari, Hyrkäs, Maarit, Virkajärvi, Perttu

Journal:

Agriculture, Ecosystems & Environment

Year:

2018

Language:

english

File:

PDF, 1.92 MB

english, 2018

5

A Simple Dynamic Model of Soil Test Phosphorus Responses to Phosphorus Balances

Uusitalo, Risto, Hyväluoma, Jari, Valkama, Elena, Ketoja, Elise, Vaahtoranta, Annika, Virkajärvi, Perttu, Grönroos, Juha, Lemola, Riitta, Ylivainio, Kari, Rasa, Kimmo, Turtola, Eila

Journal:

Journal of Environment Quality

Year:

2016

Language:

english

File:

PDF, 2.07 MB

english, 2016

6

Determination of vasicine and related alkaloids by gas chromatography-mass spectrometry

Into Laakso, Perttu Virkajärvi, Helena Airaksinen, Eero Varis

Journal:

Journal of Chromatography A

Year:

1990

Language:

english

File:

PDF, 275 KB

english, 1990

7

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

Elena Valkama, Risto Uusitalo, Kari Ylivainio, Perttu Virkajärvi, Eila Turtola

Journal:

Agriculture, Ecosystems & Environment

Year:

2009

Language:

english

File:

PDF, 736 KB

english, 2009

8

N2O emissions from boreal grass and grass - clover pasture soils

Perttu Virkajärvi, Marja Maljanen, Kirsi Saarijärvi, Jaana Haapala, Pertti J. Martikainen

Journal:

Agriculture, Ecosystems & Environment

Year:

2010

Language:

english

File:

PDF, 583 KB

english, 2010

9

Regrowth simulation of the perennial grass timothy

Qi Jing, Gilles Bélanger, Vern Baron, Helge Bonesmo, Perttu Virkajärvi, David Young

Journal:

Ecological Modelling

Year:

2012

Language:

english

File:

PDF, 724 KB

english, 2012

10

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

Marja Maljanen, Mika Martikkala, Hannu T. Koponen, Perttu Virkajärvi, Pertti J. Martikainen

Journal:

Soil Biology and Biochemistry

Year:

2007

Language:

english

File:

PDF, 305 KB

english, 2007

11

Effects of supplementary concentrate composition on milk yield, milk composition and pasture utilization of rotationally grazed dairy cows

Alem Tsehai Tesfa, Perttu Virkajärvi, Mikko Tuori, Liisa Syrjälä-Qvist

Journal:

Animal Feed Science and Technology

Year:

1995

Language:

english

File:

PDF, 798 KB

english, 1995

12

Concentrate supplementation responses of the pasture-fed dairy cow

Auvo Sairanen, Hannele Khalili, Perttu Virkajärvi

Journal:

Livestock Science

Year:

2006

Language:

english

File:

PDF, 150 KB

english, 2006

13

Evaluation of the LINGRA timothy model under Nordic conditions

Persson, Tomas, Höglind, Mats, Gustavsson, Anne-Maj, Halling, Magnus, Jauhiainen, Lauri, Niemeläinen, Oiva, Thorvaldsson, Gudni, Virkajärvi, Perttu

Journal:

Field Crops Research

Year:

2014

Language:

english

File:

PDF, 820 KB

english, 2014

14

Effect of Lignin Content and Subunit Composition on Digestibility in Clones of Timothy ( Phleum pratense L.)

Kärkönen, Anna, Tapanila, Tarja, Laakso, Tapio, Seppänen, Mervi M., Isolahti, Mika, Hyrkäs, Maarit, Virkajärvi, Perttu, Saranpää, Pekka

Journal:

Journal of Agricultural and Food Chemistry

Year:

2014

Language:

english

File:

PDF, 2.01 MB

english, 2014

15

Vernalization, gibberellic acid and photo period are important signals of yield formation in timothy ( Phleum pratense )

Jokela, Venla, Virkajärvi, Perttu, Tanskanen, Jaakko, Seppänen, Mervi M.

Journal:

Physiologia Plantarum

Year:

2014

Language:

english

File:

PDF, 690 KB

english, 2014

16

Comparison of Three Indirect Methods for Prediction of Herbage Mass on Timothy-Meadow Fescue Pastures

Virkajärvi, Perttu

Journal:

Acta Agriculturae Scandinavica, Section B - Soil & Plant Science

Year:

1999

Language:

english

File:

PDF, 146 KB

english, 1999

17

Soil test phosphorus and cumulative phosphorus budgets in fertilized grassland

Messiga, Aimé Jean, Ziadi, Noura, Jouany, Claire, Virkajärvi, Perttu, Suomela, Raija, Sinaj, Sokrat, Bélanger, Gilles, Stroia, Ciprian, Morel, Christian

Journal:

AMBIO: A Journal of the Human Environment

Year:

2015

Language:

english

File:

PDF, 673 KB

english, 2015

18

Tiller Characteristics of Timothy and Tall Fescue in Relation to Herbage Mass Accumulation

Virkajärvi, Perttu, Pakarinen, Kirsi, Hyrkäs, Maarit, Seppänen, Mervi, Bélanger, Gilles

Journal:

Year:

2012

Language:

english

File:

PDF, 8.35 MB

english, 2012

19

Key challenges and priorities for modelling European grasslands under climate change

Kipling, Richard P., Virkajärvi, Perttu, Breitsameter, Laura, Curnel, Yannick, De Swaef, Tom, Gustavsson, Anne-Maj, Hennart, Sylvain, Höglind, Mats, Järvenranta, Kirsi, Minet, Julien, Nendel, Claas, P

Journal:

Science of The Total Environment

Year:

2016

Language:

english

File:

PDF, 1.07 MB

english, 2016

20

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

Bélanger, Gilles, Ziadi, Noura, Lajeunesse, Julie, Jouany, Claire, Virkajarvi, Perttu, Sinaj, Sokrat, Nyiraneza, Judith

Journal:

Field Crops Research

Year:

2017

Language:

english

File:

PDF, 541 KB

english, 2017

21

Shifts in soil–climate combination deserve attention

Mäkinen, Hanna, Kaseva, Janne, Virkajärvi, Perttu, Kahiluoto, Helena

Journal:

Agricultural and Forest Meteorology

Year:

2017

Language:

english

File:

PDF, 2.79 MB

english, 2017

22

A Model of Critical Phosphorus Concentration in the Shoot Biomass of Wheat

Bélanger, Gilles, Ziadi, Noura, Pageau, Denis, Grant, Cynthia, Högnäsbacka, Merja, Virkajärvi, Perttu, Hu, Zhengyi, Lu, Jia, Lafond, Jean, Nyiraneza, Judith

Journal:

Agronomy Journal

Year:

2015

Language:

english

File:

PDF, 636 KB

english, 2015

23

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

Shurpali, Narasinha, Parameswaran, Binod, Raud, Merlin, Sippula, Olli, Virkajärvi, Perttu, Pumpanen, Jukka, Jokiniemi, Jorma

Journal:

Energy Procedia

Year:

2017

Language:

english

File:

PDF, 1.37 MB

english, 2017

24

Timothy mineral concentration and derived indices related to cattle metabolic disorders: A review

Pelletier, Sophie, Bélanger, Gilles, Tremblay, Gaëtan F, Virkajärvi, Perttu, Allard, Guy

Journal:

Canadian Journal of Plant Science

Year:

2008

Language:

english

File:

PDF, 176 KB

english, 2008

25

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

Korhonen, Panu, Palosuo, Taru, Persson, Tomas, Höglind, Mats, Jégo, Guillaume, Van Oijen, Marcel, Gustavsson, Anne-Maj, Bélanger, Gilles, Virkajärvi, Perttu

Journal:

Field Crops Research

Year:

2018

Language:

english

File:

PDF, 2.04 MB

english, 2018

26

Carbon dioxide exchange of a perennial bioenergy crop cultivation on a mineral soil

Lind, Saara E., Shurpali, Narasinha J., Peltola, Olli, Mammarella, Ivan, Hyvönen, Niina, Maljanen, Marja, Räty, Mari, Virkajärvi, Perttu, Martikainen, Pertti J.

Journal:

Year:

2016

Language:

english

File:

PDF, 693 KB

english, 2016

27

Seasonal and diurnal variation in CO fluxes from an agricultural bioenergy crop

Pihlatie, Mari, Rannik, Üllar, Haapanala, Sami, Peltola, Olli, Shurpali, Narasinha, Martikainen, Pertti J., Lind, Saara, Hyvönen, Niina, Virkajärvi, Perttu, Zahniser, Mark, Mammarella, Ivan

Journal:

Year:

2016

Language:

english

File:

PDF, 533 KB

english, 2016

28

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

Termonen, Maarit, Korhonen, Panu, Kykkänen, Sanna, Kärkönen, Anna, Toivakka, Minna, Kauppila, Raimo, Virkajärvi, Perttu

Journal:

Grass and Forage Science

Year:

2020

Language:

english

File:

PDF, 1.91 MB

english, 2020

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