A vertical section made through a soil that shows the thickness and sequence of the individual horizons. (FAO Fisheries Department (2003) Simple methods for aquaculture / Méthodes simples d'aquaculture. Manuals from the FAO Training Series / Manuels de la série Collection FAO: Formation. CD-ROM. Rome, FAO; Coche, A.G. (1985) Soil and freshwater fish culture. Simple methods for aquaculture. FAO Training Series (6): 174 p)
An economic system in which investment, supply, prices, and the distribution of goods are planned by government agencies. (Elwell, F. 2013. Glossary of Sociology. In Sociocultural Systems. Principles of Structure and Change. https://read.aupress.ca/read/sociocultural-systems-principles-of-structure-and-change/section/b9d25a9e-9550-4871-a7f1-59f5add30d2f)