Evolution pattern of phytolith-occluded carbon in typical forest-soil ecosystems in  tropics and subtropics, China. Effects of amino acid additions on nitrogen transformation in subtropical forest soil Characteristics of the Seedling Growth of Woody Plants in the Subtropical Forests in Guangdong Province SEED GERMINATION AND SEEDLING GROWTH OF 24TREE SPECIES IN LOWER SUBTROPICAL FOREST SEED GERMINATION AND SEEDLING GROWTH OF SEVERAL TREE SPECIES IN LOWER SUBTROPICAL FOREST DNA Barcoding of Subtropical Forest Trees——A Study from Ailao Mountains Nature Reserve, Yunnan, China