Studies rice production from the standpoint of varietal improvement, plant physiology, agronomy, plant pathology, entomology, agricultural economics and engineering, experimental farm operations, soil chemistry and microbiology, biochemistry, cereal chemistry, statistics, and communication. Covers laboratory tests, field experiments, interpretation and evaluation of the data and techniques, giving graphs, photographs, and tables of results. Focuses on areas of the Institute's major effort for 1964: photosynthesis; the nature of mutual shading; effects of growth duration on growth habit and grain yield; effects of environmental factors at various growth stages; phosphorus and potassium requirements; and mineral element disorders. [TAIC]