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,
Fraser Noble Universities of the United Kingdom (now known as Universities UK). From 1948 to 1957 he lectured in Political Economy (Economics) at the University of Aberdeen. He drew up the constitution for the Scottish Economic Society. He became the Principal of the University of Aberdeen in 1976. The university, like Leicester, has a Fraser Noble Building. He was knighted in the 1971 Birthday Honours. He married in 1945 and they had a son and a daughter. His wife taught Maths at Nairn Academy. He enjoyed playing golf. He lived in Nairn for the last 22 years of his life. Fraser Noble