Wood ash, a by‐product of biomass combustion, has increasingly attracted attention as a sustainable soil amendment in forest ecosystems. Its application can counteract soil acidification, replenish ...

Along the St. Louis River, more than 60,000 trees will be planted to replace dead ash trees and protect the estuary. With dead ash trees all around, Nathan Wagner, of Janesville, Wis., a member of ...

This black ash tree in the Chippewa National Forest was killed on purpose, to simulate an emerald ash borer attack. Researchers "girdled" thousands of trees by slicing deep into their bark with a long ...

UNDER ATTACK: An ash tree heavily affected by the emerald ash borer at the Murray Branch Recreation Area in Hot Springs. Photo by Paul Merten, USFS There’s a new threat to forests in Western North ...

FOREST GROVE, Ore – On June 30, Dominic Maze, an invasive species biologist for the City of Portland, was waiting outside a summer camp in Forest Grove to pick up his children when he noticed several ...

PORTLAND, Ore. (KOIN) – When the emerald ash borer was first found in Forest Grove in June 2022, the Oregon Department of Forestry and the Oregon Department of Agriculture took the discovery very ...

The clock is ticking for the few healthy ash tree groves still in existence around D.C. Twenty years ago an invasive pest arrived in the area, hidden away inside a shipment of ash trees headed for a ...