Relationship between the Virtual Dynamic Thinning Line and the Self-Thinning Boundary Line in Simulated Plant Populations STUDIES ON NUTRIENT ELEMENTS CYLING AND DENSITY EFFECT IN SLASH PINE PLANTATIONS STUDY ON THE EFFECT OF DENSITY ON HIGH-YIELD TIMBER USE FOREST OF PHYLLOSTACHYS HETEROCYCLA CV. PUBESCENS Relations of Poplar Density and Planting Composition to Its Growth in Horqin Sandy Land Density-dependent regulation of above- and below-ground modules in Allium cepa var. proliferum populations Cotyledon loss and its effects on survival and growth of Quercus wutaishanica seedlings under different densities Studies on the Stand Density and Site Effect of I 69 Poplar Plantation for Plywood Effects of temperature and density on the mortality and reproduction of cotton aphid Aphis gossypii. STUDY ON BAMBOO UNDERGROUND STRUCTURE OF MIXED FOREST OF CHINESE FIR AND BAMBOO A STUDY ON THE DENSITY EFFECT MODEL OF RARE AND ENDANGERED TSUGA LONGIBRACTEATA POPULATION Dynamics Modeling of Stand Density Effects of Populus davidiana Forest Thinning Density Effects on Masson Pine Plantation Effects of Planting Density on Growth and Economic Benefit of Masson Pine Plantation Study on Planting Density Effects for Masson Pine Plantation