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 to 1984. He had pressed for automobile manufacturers to put UAW members on their boards in 1976. He was the first labor leader to sit on the board of directors of an important American company. Fraser negotiated another round of concessionary contracts in 1982. The early 1980s recession hit the Ford Motor Company particularly hard. To help save the company, Fraser negotiated significant wage and benefit cuts. The same wage concessions were given to General Motors, as Fraser sought to keep wages uniform across the industry to avoid giving one company a cost advantage over another. Some deeply criticized Fraser's