Studies on Year-cycle Changes of Leaf Nutrient Status from Camphor Tree Studies on Year-cycle Changes of Leaf Nutrient Status from Camphor Tree THE RESPONSE AND ADAPTATION OF TWO PRIMITIVE ORCHIDS TO A VARIABLE LIGHT ENVIRONMENT IN SUBTROPICAL FORESTS Definition and research progress of sustainable consumption: from industrial ecology view Influence of water stress and re-watering on the root growth of Cupressus funebris Endl. seedlings in the limestone area Influence of mycorrhizal inoculation on competition between plant species and inorganic phosphate forms Phenolic constituents from Draconis Resina Chemical constituents from Goldfussia pentstemonoides