Calculation System Construction of Grassland Ecological Service Value Comparison of Yield and Nutritive Value in Sorghum, Sudangrass and Sorghum-Sudangrass Hybrid Analysis of the Heterosis and Combining Ability on the Traits of Calorific Value in Stem of Maize Dynamic Changes in Grain Sedimentation Test Value of Spring Wheat during Grain Filling Analysis on the Combining Ability of Taste Meter Value and Starch RVA Properties in Indica Rice Effects of Sulphur on Wet Gluten, SDS-Sedimentation Value and Amino Acid in Spring Wheat Cultivars with Different Quality An Investigation into the Effect of PGR-1 on the Variations in Mineral Contents and Nutritive Value of Arena eatechu L. Application of Colorimetric-Equal Value Derivative Spectrometry to the Determination of Cholic Acid in Niuhuang Jiedu Pian(Tablet) Driving factor analysis on the vegetation changes derived from the Landsat TM images in Beijing EFFECT FACTORS OF SOIL RESPIRATION AND THE TEMPERATURE‘S EFFECTS ON SOIL RESPIRATION IN THE GLOBAL SCALE Analysis on Economic Breeding Values of Usual Sugarcane Parents and Their Crosses Assessment of Nutritional Contents and Heavy Mental Security of Urtica fissa Energy Characteristics of Five Eucalyptus Species in Zhangmutou Forest Farm, Guangdong Province 聚类分析方法在商品百合研究中的应用(Ⅰ) Assessment of Genetic Relationship among Tropical and Temperate Maize Populations by Mixed (AD) Model Effects of compatible herbs and pH value conditions on change rule of anthraquinones in Rhei Radix et Rhizoma Selection of reference genes for real-time fluorescence quantitative PCR in Nerviliao Fordii Folium Feasibility analysis on Phellodendri Amurensis Cortex planting in Chengde Analysis on feasibility of Atractylodis Rhizoma planting in Chengde area Progress in study on medicinal value of medicinal parts of Kochia scoparia Studies on germination condition of Marsdenia tenacissima seeds Definition and promotion of quality of Chinese materia medica patents