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,
Henry Bloom Noble a nurse residence, cost Noble over £10,000 (£1,250,000 as of 2018) not including the land. The original Noble's Hospital was replaced by a newer and much larger hospital, situated on land owened by Noble and which was located on what became the Westmorland Road, Douglas (named after the county of his birth), which opened in 1913. It was superseded by the present Noble’s Hospital which opened in July 2003. Purchased in 1909 with money from the Noble Trust, Noble's Park and Recreation Grounds provide the major recreational grounds in Douglas. The first sustained, powered and controlled flight on the Isle