AERDRI conducted and published 297 extension research studies
covering such areas as field crops, horticultural crops, plant protection, biological fertilizers, animal, poultry and aquaculture production, agricultural mechanization, soil conservation, water management, agricultural marketing, agricultural development in the new lands, environmental protection, and extension program planning. The published studies also covered developing extension staff capabilities, evaluation of the effectiveness of extension programs, extension teaching methods and audio-visual aids, extension approaches and techniques, rural women development and rural community development