The concept of Good Agricultural Practices (GAP) has evolved in recent years in the context of a rapidly changing and globalizing food economy and as a result of the concerns and commitments of a wide range of stakeholders regarding food production and security, food safety and quality, and the environmental sustainability of agriculture. These stakeholders represent actors from the supply dimension (farmers, farmers' organizations, workers), the demand dimension (retailers, processors and consumers) and those institutions and services (education, research, extension, input supply) that...