Study on Gallnuts Development and Its Tannin Amount STUDY ON THE ECONOMIC CHARACTERISTICS OF OLIVE FRUIT Ⅱ. FRUIT FOR TABLE CULTIVARS Comprehensive yield and quality comparison of Bupleurum chinense’s seeds of different harvesting time from Qingchuan County with Topsis approach Variations ofessential oil and compositions of thyme collected at different time in Northwestern China Study on the optimal harvesting time of Rumex gmelini by analyzing the contents of principal components On the Best Time for Harvesting Dendrobium candidum Wall.ex Lindl. Best harvesting time of Ginkgo Folium from Guilin Germination Characteristics of Astragalus membranaceus Seeds Accumulation dynamic of acankoreagenin in leaves of Acanthopanax gracilistylus Effect of strains and parts on amino acids of Dendrobium officinale Study on accumulation of polysaccharides and alcohol-soluble extracts contents of Dendrobium officinale leaves Study on suitable harvest time of Dendrobium officinale in Yunnan province