This book elaborates on the modern experience and prospects and the development of recommendations for sustainable development of the agrarian economy based on digital technologies and smart innovations for the provision of food security. This book dwells on the global and regional challenges for food security and answers to them through the sustainable development of the agrarian economy. The book also studies the international experience of sustainable development of the agrarian economy on the basis of digital technologies and advantages for food security. Sustainable development of the agrarian economy with the use of digital technologies—as the foundation of food security of Central Asia—is considered. The prospects for provision of food security through the use of smart innovations for the sustainable development of the agrarian economy are outlined. A set of applied recommendations for raising the effectiveness of the use of smart innovations for the sustainable development of the agrarian economy is proposed.