Christmas tree cultivation species are grown as Christmas trees, although a handful of varieties stand out in popularity. In the United States, Douglas-fir, Scots pine and Fraser fir all sell well. Nordmann fir and Norway spruce sell well in the United Kingdom, the latter being popular throughout Europe. Like all conifers, Christmas trees are vulnerable to a range of pests. The final stage of cultivation, harvesting, is carried out in a number of ways; one of the more popular methods is the pick-your-own tree farm, where customers are allowed to roam the farm, select their tree, and cut it down themselves. Other farmers
Douglas Fraser in public schools. Despite resistance from both staff and members, he began initiatives within the UAW and the auto industry to recruit more minorities and women. He also pushed for national health insurance. Fraser retired as UAW president in 1983. He was an adjunct professor at Wayne State University for many years, teaching labor relations and labor history. A major research and study center, the Douglas A. Fraser Center for Workplace Issues, was named after him. Fraser received The International Center in New York's Award of Excellence for his significant contributions to life in America. Douglas Fraser died on February