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,
Claud Lovat Fraser Theatre in Haymarket. Tree in turn, at MacFall’s instigation, commissioned him to supply the illustrations for "Thoughts and Afterthoughts", his volume of reminiscences and also gave him free run of his private suite in the theatre’s dome; Fraser began to get to know theatre people, and they him. However Tree subsequently declined, in January 1914, a proposed theatre piece "The Three Students" written by MacFall with designs by Fraser. In 1913, along with Holbrook Jackson and the poet Ralph Hodgson, Lovat Fraser established a small publishing firm called "The Sign of the Flying Fame" to produce decorative poetry broadsides and