Annual report for 1987, International Rice Research Institute

This 1987 annual report of the Institute covers four fundamental types of rice culture: upland; rainfed lowland; irrigated; and deepwater. The report documents the results of IRRI research with respect to: (1) genetic evaluation and utilization (including, inter alia, work in disease and insect resistance, drought tolerance, deepwater and flood tolerance, and seed science technology); (2) management of rice pests; (3) water management; (4) soil and crop management (including management of soil and fertilizer nitrogen, nitrogen fixation and azolla, tillage, organic manures, etc.); (5) the climatic environment; and (6) cropping systems (including physical and socioeconomic analyses, varietal testing, preproduction testing of improved cropping patterns, etc.). Also provided are the results of IRRI"s work to develop new machinery for rice cultivation and summaries IRRI"s training program and of its ever-increasing efforts to collaborate with other international and national institutions.