Christmas tree cultivation has shifted toward the production of higher-quality trees, increasing land quality expectations as well. Indeed, some species of tree, such as the Fraser fir, are unable to grow on low-quality, marginal farmland. Flat or gently rolling land is preferred to that with steep slopes and inclines, which is prone to erosion and fluctuations in fertility. Noticeable obstructions, such as rocks, fences or significant underbrush, are also undesirable. Like all crops and plants, Christmas trees require a specific set of nutrients to thrive. There are 16 elements crucial for growth; of those, three are obtained through air and water: hydrogen, carbon,
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