Production managers in agriculture, forestry and fisheries plan, direct and coordinate production in large-scale agricultural, horticultural, forestry aquaculture and fishery operations such as plantations, large ranches, collective farms and cooperatives, to grow and harvest crops, breed and raise livestock, fish and shellfish and to catch and harvest fish and other forms of aquatic life.

Tasks performed usually include: monitoring market activity and planning production to meet contract requirements and market demand; establishing and managing budgets, monitoring production output and costs, recording information such as farm and fisheries management practices, and preparing financial and operational reports; conferring with buyers to arrange for the sale of crops, catch and stock;  contracting with farmers, skippers or independent owners for production of produce and  management of production; planning the type, intensity and sequence of operations; purchasing machinery, equipment and supplies; identifying and controlling environmental toxins, weeds, pests and diseases; organizing operations such as maintaining buildings, water supply systems and equipment; overseeing the selection, training and performance of workers and contractors.