Christmas tree cultivation and oxygen. Nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, copper, chlorine, manganese, molybdenum, iron, and zinc are obtained from the soil. If the necessary elements are not available in the local soil, nutritious fertilizers are used. Other important soil considerations include pH and drainage. Certain types of soil are preferable, depending on the type of tree. Pine trees are usually better adapted to a sandy or sandy loam soil, while white spruce trees and fir trees, such as the Douglas-fir, prefer fine-texture loams and clay loam soils. Some trees grow well in all types of soil, but in any case,
Douglas Fraser Douglas Fraser Douglas Andrew Fraser (December 18, 1916 – February 23, 2008) was a Scottish-American union leader. He was president of the United Auto Workers from 1977 to 1983 and an adjunct professor of labor relations at Wayne State University for many years. He is best remembered for helping to save Chrysler from bankruptcy in 1979 by heavily lobbying the US Congress for a loan and convincing workers to make concessions. Fraser was born in Glasgow, Scotland, on December 28, 1916. His father, Samuel, was an electrician and an active and vocal trade unionist. The family was so poor that