This document discusses approaches to agricultural marketing problems. It identifies several dimensions of the farm marketing problem including difficulties adjusting production to meet changing markets and estimating future prices. It also discusses barriers in the marketing process like separation of location, time and information between producers and consumers. The document then covers functional approaches to marketing like exchange, physical and facilitating functions. It defines concepts like concentration, equalization and dispersion in the exchange process as well as factors enabling decentralized markets. Storage is discussed as interrelated with transportation, processing and risk bearing in food marketing systems.