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,
Douglas Fraser and subsequent government-sponsored loan. Fraser mobilized UAW members and heavily lobbied Congress in a move that proved critical to convincing the government to provide $1.2 billion in federally-guaranteed loans, which enabled Chrysler to avoid bankruptcy. He used Reuther's "equality of sacrifice" formula to convince UAW members that major concessions were needed to save the company. Fraser then negotiated wage cuts of $3 an hour and waived restrictions on layoffs, which allowed Chrysler to shed nearly 50,000 jobs, about half its workforce. In an unprecedented move, Chrysler Corporation named Fraser to its Board of Directors on which he served from 1980