Study on Coldresistance of Island Plant Cinnamomum japonicum (Lauraceae) Characteristics and Species Diversity of Cinnamomum japonicum var. chenii (Lauraceae) Community in China The Biological Characteristics and Cultivation Techniques of Cinnamomum japonicum var. chenii Bioactive Essential Oils from Cinnamomum japonicum Sibe Effects of Cinnamomum japonicum Leaf Litter Addition on the Growth and Photosynthetic Characteristics of Impatiens balsamina Effect of Cinnamomum japonicum Leaf Litter Addition on the Physiological Properties of Impatiens balsamina