Observation on the Amyl opl asts in Endosperm of Early Indica Rice with Scanning Electron Microscope Tillering and Panicle Formation Characteristics of Machine-transplanted Early Rice and Its Parameters of Basic Population Formulae Trends and risk of spring low-temperature damage to early rice in southern China against the background of global warming Nitrogen uptake,utilization and rice yield in the north rimland of double-cropping rice region as affected by different nitrogen management strategies Effects and rational application of controlled-release nitrogen fertilizer in paddy field of southern China Effects of nitrogen fertilization and planting density on yield of super early rice Zhongzao 22 Effect of nitrogen fertilizer application and nitrogen use efficiency of early, mid and late rice in Hubei Province Effect of vegetablepaddy rice rotation system on N and P utilzation characters and their enrichments in vegetable fields Population biological characteristics and yield of early rice of throwing transplanting under seedling-increase and nitrogen-reduction measures Effect of low temperature stress on physiological characteristics of flag leaf and its relationship with grain yield during panicle primordium differentiation stage of early rice Effect of different fertilization patterns on rice yield and nitrogen uptake and transformation in soil Effects of Nitrogen Deficiency on the Growth, Yield and Nitrogen Use for the Super Hybrid Early Rice Physiological Index Variation and Its Cultivar Differences of Seedling Leaves and Roots of Early Cropping Rice Under Lower Temperature Stress Coordination between Source and Sink in Super Early and  Late Rice STUDIES ON YIELD LOSS AND DYNAMIC ECONOMIC THRESHOLD OF SHEATH BLIGHT OF HYBRID EARLY RICE Soil testing and formula fertilization index for early rice in Fujian Province Study on yield and quality of double cropping rice in different straw return approaches Effect of phosphorus fertilizer application and phosphorus use efficiency of early, middle and late rice in Hubei Province Effects of High Temperature Stress on ATPase Activity of Plasma Membrane and NH4+ Absorption Rate in Roots of Early Rice