Esben V. Nielsen

Microbial biomass C, N and P in two arctic soils and responses to addition of NPK fertilizer and sugar: implications for plant nutrient uptake

A. Michelsen, I. Schmidt, T. Callaghan, 1996, Oecologia.

RESPONSES IN MICROBES AND PLANTS TO CHANGED TEMPERATURE, NUTRIENT, AND LIGHT REGIMES IN THE ARCTIC

A. Michelsen, I. Schmidt, S. Jonasson, 1999 .