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 was involved in a number of successful collective bargaining agreements, early retirement program in 1964, and wage parity for both US and Canadian members in 1967. Reuther died in a plane crash during the 1970 contract talks, leading many to speculate that Fraser might be tapped to lead the union. However, after a deeply-divided vote of the UAW executive council voted 13-to-12 against him, Fraser withdrew his name, and Leonard Woodcock became union president. Fraser led a nine-day strike against Chrysler that began on September 14, 1973, the first against the automaker in decades. The collective bargaining agreement hammered out