Local problems in the surrounding environment can be developed in school learning according to independent curriculum policies so that students are responsive and can play an active role in solving problems, such as those related to viruses and their role. This study aims to determine the symptoms of viral infections in various food and…

"Forensics," in its most universal sense, is defined as the use of science or technology in the investigation and establishment of facts or evidence for determining identity or relatedness. Most forensic reasoning is used for arguing legal matters. However, forensic studies are also used in agronomy, biology, chemistry, geology, and…

Discusses procedures for teaching basic soil morphological concepts using soil cores collected along a toposequence. Describes materials and methods for collecting, laboratory use of cores, and student evaluation results. Shows a table of criteria used to describe soils for profile descriptions. (RT)

Describes a combined field and laboratory exercise suitable for teaching concepts of tillering and yield component compensation which is adapted to climatic conditions where extensive class fieldwork is not possible. Provides information on materials and methods, pedagogical aspects, evaluation, and conclusions. (Author/RT)

Describes a lecture manual for an introductory soil course, how it is used by students, and how it affects student learning. Students indicated that the manual and its condensed lecture material, exam schedule, and grading procedures were beneficial to their learning in the course. (ML)

Describes a laboratory demonstration that illustrates principles of miscible displacement and chemical retardation in soils. Discusses how the experimental apparatus can be constructed from readily available materials. (TW)

Announces the development of a videodisc module which provides access to the U.S. Department of Agriculture information network. Relates sources of information, module description, recommendations for use, and software specifications. Describes the equipment needed. (RT)

Describes the development of a computer simulation model of forage-beef production systems, which is intended to incorporate soil, forage, and animal decisions into an enterprise scenario. Produces a summary of forage production and livestock needs. Cites positive assessment of the program's value by participants in inservice training workshops.…