Key points are not available for this paper at this time.
R. Scott Russell, D. Ward Cutler, S. E. Jacobs, Alexander King, A. G. Pollard, Physiological and Ecological Studies on an Arctic Vegetation: II. The Development of Vegetation in Relation to Nitrogen Supply and Soil Micro- Organisms on Jan Mayen Island, Journal of Ecology, Vol. 28, No. 2 (Aug., 1940), pp. 269-288
Russell et al. (Thu,) studied this question.