Plants. Ag Ed Environmental Education Series.

Designed to serve as a resource tool in a high school vocational agriculture curriculum dealing with the environment as it relates to agriculture, this unit is concerned with plants. Plants are defined and their characteristics described. A section on the effects of environment on higher plants covers temperature, light, water, nutrients, air, chemicals and dust, smog, radiation, and sediment. The effects of pests on higher plants are discussed. Plants as sources of food, shelter, fiber, building materials, and other products are described. The effects of plants on the environment are treated from the points of view of esthetics, improvement of air, water, and soil, and reduction of noise pollution. A section looks at environmental problems of agricultural plants and forestry. A 27-item bibliography concludes the volume. (MS)