K. Makkonen

Fine root biomass and production in Scots pine stands in relation to stand age.

H. Helmisaari, K. Makkonen, Heljä-Sisko Helmisaari, 2001, Tree physiology.

Below- and above-ground biomass, production and nitrogen use in Scots pine stands in eastern Finland

S. Kellomäki, H. Helmisaari, K. Makkonen, 2002 .

Seasonal and yearly variations of fine-root biomass and necromass in a Scots pine (Pinus sylvestris L.) stand

H. Helmisaari, K. Makkonen, Heljä-Sisko Helmisaari, 1998 .

Assessing fine-root biomass and production in a Scots pine stand – comparison of soil core and root ingrowth core methods

H. Helmisaari, K. Makkonen, Heljä-Sisko Helmisaari, 1999, Plant and Soil.

Fine-root growth, mortality and heavy metal concentrations in limed and fertilized Pinus silvestris (L.) stands in the vicinity of a Cu-Ni smelter in SW Finland

A. Viksna, H. Helmisaari, K. Makkonen, 1999, Plant and Soil.

Fine Roots and Soil Properties

H. Helmisaari, T. Lehto, K. Makkonen, 2000 .