The objective of this book is to ensure food security and protection of natural resources which gives them a role that no other economic activity can not substitute. Agriculture is considered by some economists rather than a strategic sector, serving major factor maintaining ecological balance, which is a priority of sustainable development policies. Food security of each nation, increasing the contribution of agriculture to overall economic growth and social development and environmental protection make this human activity have an important place in the economy and politics of the world.

Zugravu Gheorghe Adrian is a lecturer at the Department of Economics, Faculty of Economics and Business Administration, Dunarea de Jos University of Galati. His research activity is focused mainly on information technology applied in economic agricultural activities.