United States Department of Agriculture
A research program is being carried on to develop methods for germinating and cultivating Lobelia inflata L., a native forest plant that is the principal source of the alkaloid lobeline, which is used in an increasing number of anti-smoking preparations. The goal is to produce maximum lobeline yields.
Describes the skiers and ski areas in the Midwest. Analyzes market structure for the industry, the factors associated with financial success, the impact of spending on local economies, and the potential of ski area investment. Includes ski area financial statements.
Low intensity, spring prescribed burns have been used since 1964 at the Cedar Creek Natural History Area in Minnesota in an attempt to restore the area to an oak savanna. Burned areas are now more savanna like (having greater grass and forb and lower shrub and lower tree representation) than unburned areas but still have higher overstory densities than apparently...