Intensive multiple cropping. The food formula for hungry Asia. Population and food problems in Asia. The untapped tropicla production reservoir. Agricultural production resources in Asia. Increased production pathways. Increased production pathways. Crop intensification prospects in Asia. Agricultural research in Asia. The Asian cropping systems network. Early multiple cropping in Asia. The formation of an Asian cropping systems network. Cropping systems concepts and approaches. Methodology development. IRRI's role in the network. Future plants for the network. The setting of cropping systems research in Asia. The Asia Cropping systems network research sites. On-farm research setting in the country research sites. Traditional cropping systems in Asia.Characteristics of a typical Asian farner. Major field crops in Asia. Cropping systems in rainfed wetland areas. Irrigated wetland areas. Rainfed dryland areas. Irrigated dryland areas. Deepwater rice areas. Tidal swamp areas. Agroforestry areas. Hill atriculture areas. Design and testing of improved cropping systems. Rainfed wetrand sites. Irrigated wetland sites. Rainfed dryland sites. Deepwater sites. Tidal swamp sites. Hill agriculture areas. Cropping system research and area development. Multilocation testing. Pilot production programs. The impact of cropping systems research on the small farms. General impact. Increased production. Impact on income level. Incresed employment. Impact on land utilization. Technology transfer.