Agribusiness encompasses all operations involved in farm inputs, agricultural production, and distribution of farm products to consumers. It was defined in 1957 as including manufacture and distribution of farm supplies, on-farm production, and storage, processing and distribution of commodities. Agribusiness consists of interrelated subsystems - inputs, production, processing, marketing, and support. It integrates business management with technical agricultural knowledge across the production and distribution process. As a field of study, agribusiness applies both business and scientific principles to manage agricultural enterprises profitably from farm to consumer.