Hasil Pencarian - Perttu Virkajärvi
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The effect of cutting times on goat’s rue (Galega orientalis Lam.) leys oleh Perttu Virkajärvi, Eero Varis
Diterbitkan 1991-12-01
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Predicting herbage mass of Phleum pratense L. pastures with a disk meter oleh Perttu Virkajärvi, Kaisa Matilainen
Diterbitkan 1995-12-01
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Dairy cow excreta patches change the boreal grass swards from sink to source of methane oleh Marja Elisa Maljanen, Perttu Virkajärvi, Pertti J. Martikainen
Diterbitkan 2012-06-01
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Nitrogen Fertilization of Grass Leys: Yield Production and Risk of Nitrogen Leaching oleh Elena Valkama, Katri Rankinen, Perttu Virkajärvi, Tapio Salo, Petri Kapuinen, Eila Turtola
Diterbitkan 2019-04-01
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Use, calibration and verification of agroecological models for boreal environments: A review oleh Daniel Forster, Samuli Helama, Matthew T. Harrison, Clarence Alan Rotz, Jinfeng Chang, Phillippe Ciais, Elizabeth Pattey, Perttu Virkajärvi, Narasinha Shurpali
Diterbitkan 2022-03-01
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Biodiversity in intensive and extensive grasslands in Finland: the impacts of spatial and temporal changes of agricultural land use oleh Juha Tiainen, Terho Hyvönen, Marleena Hagner, Erja Huusela-Veistola, Pauliina Louhi, Antti Miettinen, Tiina Nieminen, Ansa Palojärvi, Tuomas Seimola, Pauliina Taimisto, Perttu Virkajärvi
Diterbitkan 2020-05-01
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