Agricultural information exchange system which shows the actors, people and institutions, their interactions and communication networks among these actors to coordinate the information related processes (from generation to transfer, utilization and diffusion) (Limbu, F. (1999). Agricultural technology: economic viability and poverty alleviation in Tanzania. Paper presented at the Structural transformation policy workshop. Nairobi: ECAPAPA. Tegemeo Institute and Michigan State University)
Sedimentology encompasses the study of modern sediments such as sand, silt, and clay, and the processes that result in their formation (erosion and weathering), transport, deposition and diagenesis. (https://en.wikipedia.org/wiki/Sedimentology)