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,
Fraser Canyon War as it was during this visit that the justices for Yale and Hill's Bar (Whannell and Perrier, respectively) were appointed by Douglas, who had no idea of their real characters and the consequences these appointments would all too quickly bring to local politics. Also accompanying the Governor on his steamboat journey to Yale on this occasion was one Ned McGowan, known as "the notorious" or as "the ubiquitous", whose presence would precipitate the subsequent series of improbable events known as McGowan's War later in the winter. Fraser Canyon War The Fraser Canyon War, also known as the Canyon War or