Variation of Endogenous Hormone and Carbohydrate Contents in Growing Yam Bulbils Effects of Aerial Zinc Application on Carbohydrate Metabolism-related Enzymes Activities in Apple Fruit Enzymatic Hydrolysis Technology from Tala Fiber Residues The impact of climate, soil and their interactions on reducing-sugar, nicotine and total nitrogen contents of flue-cured tobacco in Hunan high-quality tobacco region Relationship between biological quality and nutrition of rice and damage of Chilo suppressalis Effects of salinity on accumulation and distribution mode of dry matter and soluble sugar of Jerusalem artichoke (Helianthus tuberosus) Study on the Diastase and Reducing Sugr in Fritillaria thunbergii Miq. During the Process of Relieving Dormancy with Low Temperature Variation of Endogenous Hormone and Carbohydrate Contents in Growing Yam Bulbils Effects of Aerial Zinc Application on Carbohydrate Metabolism-related Enzymes Activities in Apple Fruit Screening and cloning ligninolytic strain and cellulase gene expression