Subject(s): Agricultural ecology. -- Agricultural Development. -- Theoretical basis of agricultural ecology : Evolution of agroecological thought, methodology and practice of agroecology, agroecosystem -- Design of alternative agricultural systems and technologies : Generating sustainable technologies appropriate to alternative farming, designing sustainable agroecosystem, traditional agriculture, ecologically based agricultural development programs, organic farming -- Alternative production systems : Polyculture cropping systems, cover cropping and mulching, crop rotation and minimum tillage, agroforestry systems -- Ecological management of insect pests, pathogens and weeds : Integrated pest management, weed ecology and management, plant disease ecology and management, pasture management to sustain agriculture, soil quality and management, sustainable agriculture