Items where Author is "Vanhala, Petri"

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Number of eprints: 10.

Journal paper

Vanhala, Petri; Lötjönen, Timo; Hurme, Timo and Salonen, Jukka (2006) Managing Sonchus arvensis using mechanical and cultural methods. Agricultural and Food Science, 15 (4), pp. 444-458.

Vanhala, Petri and Lötjönen, Timo (2004) Reglering av åkermolke och andra fleråriga ogräs. Forskningsnytt om økologisk landbruk i Norden (4), pp. 22-23.

Vanhala, Petri and Pietola, Liisa (2003) Effect of conservation tillage and peat application on weed infestation on a clay soil. Agricultural and Food Science in Finland, 12 (2), pp. 133-145.

Suojala, Terhi; Kallela, Marja; Nissinen, Anne and Vanhala, Petri (2001) Ekogrönsaker för industrins behov med stöd av forskningen. Forskningsnytt om økologisk landbruk i Norden (3), pp. 12-13.

Conference paper, poster, etc.

Lötjönen, Timo and Vanhala, Petri (2003) Does mechanical weed control take effect on Sonchus arvensis? Paper at: NJF's 22nd congress "Nordic agriculture in global perspective", Turku, Finland, July 1-4, 2003.

Fogelfors, Håkan; Brandsætter, Lars Olav; Graglia, Scientist Enrico; Vanhala, Petri; Salonen, Jukka and Håkansson, Sigurd (2003) Dormancy of vegetative reproduction in some perennial weeds. In: Niemeläinen, Oiva and Topi-Hulmi, Mari (Eds.) Nordic Agriculture in Global Perspective, Tampere University Print, Tampere Finland, p. 97.

Vanhala, Petri; Lötjönen, Timo and Salonen, Jukka (2003) Effect of crop species and management practices on perennial weeds in organic farming. Paper at: NJF's 22nd congress "Nordic agriculture in global perspective", Turku, Finland, July 1-4, 2003.

Kakriainen-Rouhiainen, Sanna; Väisänen, Jaana; Vanhala, Petri and Lötjönen, Timo (2003) Mid-summer bare fallow effective in controlling perennial weeds. Paper at: Nordic agriculture in global perspective: NJF's 22nd congress, Turku, Finland, July 1-4, 2003.

Vanhala, Petri (2002) Relationship between the timing of seedbed preparation and the efficacy of pre-emergence flaming. Paper at: 4th EWRS workshop on physical weed control, Elspeet, The Netherlands, 20-22 March 2000.

Vanhala, Petri and Rahkonen, Jukka (1998) Laboratory assessment of crop tolerance to selective flaming. Paper at: 3rd EWRS workshop on physical weed control, Wye College, UK, 23-25 March 1998.

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