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,
Michael Fraser, Baron Fraser of Kilmorack died in London in 1996. His papers are held at the Hoover Institution Library and Archives at Stanford University. Michael Fraser, Baron Fraser of Kilmorack Richard Michael Fraser, Baron Fraser of Kilmorack, CBE (28 October 1915 – 1 July 1996) was a British Conservative Party political administrator. The Conservative historian Lord Blake wrote that Fraser "will go down to history as a figure comparable only to Gorst under Disraeli or the famous Captain Middleton under Salisbury". Fraser was born in Aberdeen, the son of Dr Thomas Fraser CBE DSO TD DL, and of Maria-Theresia Kayser, from Hanover. He was educated