The teaching includes fundamental sciences and courses in applied sciences which are always closely related to the natural conditions of the country: arid farming, underproduction, pathology of hot countries, breeding, hydraulics, erosion, problems of economic growth, etc. With a network of 6,000 graduates, INAT now has 1,400 students enrolled, including 550 students enrolled in the engineering cycle and 400 students enrolled between Masters and Doctorates. The synergy between higher education and research is a characteristic of INAT . Largely focused on the issues of sustainable development, INAT has a wide range of skills (a hundred permanent research professors) recognized internationally on several themes such as biodiversity and the environment, the functioning and engineering of natural and cultivated ecosystems, the marine ecosystem, water and the environment, animal production, … INAT houses a doctoral school and hosts five laboratories and a research unit working on priority themes, whose scientific productions and publications provide solutions to the agro-ecology and agro-industry sectors, considered as the two pillars of our agriculture.