Ole T. Helgerson

Soil Carbon and Nutrients in a Coastal Oregon Douglas‐Fir Plantation with Red Alder

Kermit Cromack, Richard E. Miller, Harry W. Anderson et al. · Soil Science Society of America Journal · 1999 · 67 citations

Agriculture, Plant Sciences, Soil Sciences +14

Heat damage in tree seedlings and its prevention

Ole T. Helgerson · New Forests · 1990 · 59 citations

Agriculture, Forestry, Plant Sciences +13

Nitrogen Fixation and Biomass Accumulation in Plant Communities Dominated by Cytisus scoparius L. in Oregon and Scotland

Chris Wheeler, Ole T. Helgerson, David A. Perry et al. · Journal of Applied Ecology · 1987 · 29 citations

Life Sciences, Plant Biology, Plant Sciences +17

WINTER FIXATION OF NITROGEN IN SCOTCH BROOM (<i>CYTISUS SCOPARIUS</i> L.)

Chris Wheeler, David A. Perry, Ole T. Helgerson et al. · New Phytologist · 1979 · 27 citations · Full text

Agriculture, Ecology, Physiological Ecology +7

Equations for estimating aboveground components of young Douglas-fir and red alder in a coastal Oregon plantation

Ole T. Helgerson, Kermit Cromack, Susan G. Stafford et al. · Canadian Journal of Forest Research · 1988 · 21 citations

Natural Resources, Ecology, Forestry +17