Early in the establishment of Pacific Northwest conifer plantations, herbaceous weeds often decrease seedling growth through competition for soil moisture during the dry summer months. Critical period studies have repo ...

Foresters care about site productivity and stem quality in Douglas-fir plantations for many reasons. The profitability of forest land and the economic returns on silvicultural investments are directly related to site p ...

Urban soils syndrome, the deterioration of soil at developed sites, acts as a primary disease agent, causing root system necrosis by physical damage to root tissue. This condition predisposes Douglas-fir trees to attac ...

Ramaria is a genus of epigeous fungi common to the coniferous forests of the Pacific Northwest of North America. The extensively branched basidiocarps and the positive chemical reaction of the context in ferric sulfate a ...