The Seedling Culture Test with Culm Node of Sympodial Bamboo Species for Pulping Soil Nutrition Condition and Its Management in the Nurseries of Guangxi Daqingshan Mountain Cultivation trial of Michelia hedyosperma Application of Steady-state Nutrition and Pisolithus tinctorius Mycorrhiza to Pinus elliottii Nursery Land SEED GERMINATION AND SEEDLING CULTURE OF TUPISTRA IN YUNNAN Induction of in Vitro Corms of Taro ( Colocasia esculenta Schott. )