Describes a study of temperature variations over different surfaces in an urban campus setting. Explains that researchers sampled temperatures over grass, bare soil, gravel, concrete, and blacktop. Reports that grassy areas registered the highest morning temperatures and lowest afternoon temperatures. (SG)

Reported are the results of a survey of awareness, use, and attitude of Indiana secondary school agriculture and social science educators toward soil survey reports. An analysis by teaching discipline and geographic location is presented. (CW)

Stressed is the interrelationship among the three major groups of sedimentary rocks and the potential benefits in understanding of sedimentary processes to be gained by a petrosynthesis. Listed are 59 references. (CW)

The advantages and disadvantages of poster sessions vs. oral talks are reviewed. Front-end and secondary planning, materials, and follow-up needed for poster sessions are outlined. An example session and a check list are included. (Author/CW)

Discusses some of the ways the role of agronomists in agriculture is changing. Cites a recent study which indicates that there will be fewer graduates going directly into farming and ranching in the near future, and those that do will need to be more highly trained. (TW)

Presented is a comprehensible structural representation of humic substances. A number of important roles of soil organic matter, including contribution to the cation-exchange capacity, binding of pesticides, and formation of complexes with micronutrient cations, are illustrated. (Author/CW)

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.…