An Economic Analysis of the Interplanting of Calamus simplicifolius with Gmelina arborea Plantation Afforestation of Calamus simplicifolius by Tube-seedlings An Analysis on Growth Character of Tissue Culture Families of Calamus simplicifolius Growth law of Calamus simplicifolius at seedling stage Identification of Random Amplified Polymorphic DNA Markers Linked to Sex Determination in Calamus simplicifolius C. F. Wei. Nutrition Evaluation of Rattan Shoots Research on the Bio ecological Characteristics and Cultivation Techniques for Calamus simplicifolius