Vaario,L.-M., Tervonen,A., Haukioja,K., Haukioja,M., Pennanen,T. and Timonen,S., The effect of nursery substrates and fertilization on the growth and ectomycorrhizal status of containerized and outplated seedlings Picea abies. Canadian Journal of Forest Research 39:64-79. https://www.ncbi.nlm.nih.gov/nuccore/EU810200