Person who conducts research and experiments in order to improve soil fertility, environmental protection, crop quality, herd production, governance and profitability of agricultural enterprises. It develops methods of harvesting, processing and transporting fruits and vegetables, develops and experiments with techniques to improve the profitability of agricultural enterprises, searches for markets for agricultural products, writes research reports or articles scientists in specialized journals. She also works with farmers and operators of agricultural, para-agricultural or food businesses, in order to advise them (cultivation methods, animal care, disease prevention, business management, etc.), to help them. to find solutions to the problems they encounter or to guide them in the construction of buildings and the choice of machinery. It prepares and leads information meetings for farmers and other groups concerned by this area of activity.