To help plan effective teaching strategies, it is important to determine students' existing knowledge about the topic to be taught. Interviews with New Zealand students showed that they hold nonscientific ideas about soil. These student views should be respected by teachers. They should be discussed and compared with scientific viewpoints. (RM)

Describes an introductory college level course in soil and vegetation which uses lecture, audiovisual tutorial, individualized instruction, field trips, films, and games. The course consists of three segments: basic concepts of soils, basic concepts of plants, and soil and vegetation concepts in a spatial context. (KC)

Reviews issues related to soil erosion and soil loss tolerance in the United States. Describes an instructional plan in which students estimate soil loses in three geographical regions using the Universal Soil Loss Equation (USLE). Recommends integrating the geography of soil erosion with broader conceptual questions in physical geography. (CFR)