Items where Author is "Vanhala, Petri"

Group by: EPrint Type | No Grouping

Number of eprints: 10.

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.

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 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.

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.

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.

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.

This list was generated on Mon Jul 14 00:19:29 2025 CEST.