A computer-implemented cloud-based agricultural enterprise management system and methods. The system comprises a plurality of modular components for receiving and processing data pertaining to agricultural production of commodities by an agricultural producer and for centralizing and storing the received and/or processed data in a single cloud-based database. The producer can provide to one or more third-party suppliers and/or service providers, authorized but restricted access to selected components of their agricultural enterprise management system and cloud-based database so that together, the producer, suppliers and service providers can effectively and cost-efficiently plan and manage the delivery of products and services during a crop production cycle, and the sale of harvested agricultural commodities. Separate modular components may be provided for inputs exemplified by agronomy data, crop production inputs data, crop growth and performance tracking, commodity market data, weather monitoring and forecasting, farm equipment maintenance, enterprise management overhead components.