résumé du livres : It is the first monograph on this subject : declension of Agroecology to Crop Protection, with numerous contributors (56 authors)This book shows a rational approach (concepts, cases studies, etc.) and gives generic keys for the management of the agroecological transition. It is adapted for numerous situations, including developed and developing countries, temperate and tropical conditions It is well documented (approx. 100 illustrations) and can be used by a large public: researchers, students, professionals