Improving the Percentage of Exerted Stigma in CMS Lines of Japonica Hybrid Rice by Molecular Marker-assisted Selection Dynamic Model and Its Characteristics Analysis for Dry Matter Production after Heading of Indica/JaponicaHybrid Rice of Yongyou Series Effects of Nitrogen Application Regimes on Yield,Quality and Nitrogen Use Efficiency of Super Japonica Hybrid Rice Root System Morphological and Physiological Characteristics of Indica-japonica Hybrid Rice of Yongyou Series Some Characteristics of Mechanically Transplanted Pot Seedlings in Super High Yielding Population of Indica-japonica Hybrid Rice Yongyou 2640 Yield Components and Population Characteristics of Super-High-Yielding Late Japonica Hybrid Rice in Double-Cropping Rice Area Correlation between 1000-grain Weight , Grain Yield and Quality in Japonica Hybrid Rice Canopy Structure and Photosynthetic Characteristics of Yongyou Series of Indica-Japonica Hybrid Rice under High-yielding Cultivation Condition Photosynthetic Characteristics of the Isonuclear Alloplasmic CMS and Maintainer Lines of Dian-type I in Japonica Rice Genetic Analysis on Amylose Content of Japonica Hybrid Rice in Different Environments Effect of Mechanical-Transplanting Density on Lodging Resistance and Yield in Different Types of Rice Characteristics of canopy structure of super high yielding Japonica hybrid rice community