Helenius, Pekka

name

• Helenius, Pekka

Authored works

• Extension of the planting period of Norway spruce container seedlings : risks related to the drought - growth stage dynamics and handling practices
• Metsäpuiden siemenhuollon laatuketju

Works contributed to

• Kuusen ja männyn käpy- ja siementuhot

Works about Helenius, Pekka