Hytönen, Jyrki

D.Sc. (Agr. & For.), Senior Researcher

[  Suomeksi  |  Publications at Metla  |  Metla Homepage  ]

Expertise

• short rotation forestry
• afforestation of agricultural land
• peatland forestry 8regeneration
• nutrition)
• use of ashes.

Research Projects

Current

• Direct seeding methods and forest tree seed production
  
• Enhancing timber harvesting on sensitive sites
  
• ForestEnergy2020
  
• Intensive production of woody biomass
  
• Natural regeneration of forests
  
• The effect of soil preparation and fertilisation on forest soil and tree stand
  

Former

• Afforestation of cut-away peatlands and peat fields
  
• Decidious trees as energy wood: growing, harvesting and quality
  
• Developing methods for afforestation of (former agricultural) fields
  
• Ecologically and economically sustainable forestry on peatlands
  
• Field afforestation in EU-Finland
  
• Forest machine development
  
• Forest regeneration and afforestation on peatlands
  
• Impacts of cuttings on stand and site nutrition, tree growth, and stand dynamics on drained peatlands
  
• Improved methods for precommercial thinning
  
• Improved methods for precommercial thinning - pilot study
  
• Maintainance of sustainable nutrient status in peatland stands
  
• Nutrient amounts and nutrient dynamics in drained peatland
  
• Nutrient status and effects of fertilisation in tree stands growing on drained mires
  
• Peat nutrient regime and sustainable wood production on peatlands
  
• Pools and fluxes of carbon on mineral soils and peatlands
  
• Regeneration of birch (Betula pubescens Ehrh.) stands in drained peatlands of Ostrobothnia
  
• Regeneration of peatland forests
  
• Short rotation forestry
  
• Sustainable forest management in the coastal areas of Ostrobothnia
  
• The effects of stemwood and wholetree harvesting in drained peatlands on leaching of nutrients and heavy metals to water courses and nutrient sufficiency for sustainable treeproduction
  
• The management of the permanent field experiments on drained peatlands
  

Contacts

Keywords: field afforestation, peatland research, weed control