Growth and developmental rhythm of Scrophularia ningpoensisin southwest middle mountain area of China Effects of Zn2+ concentration on population growth parameters of Brachionus calyciflorus under different Scenedesmus obliquus densities CHANGES IN GROWTH PARAMETERS OF EMBRYOGENIC CELL SUSPENSION CULTURES OF LOBLOLLY PINE (PINUS TEEDA) Effects of water transparency on Potamogeton crispus growth and its dynamic model Tolerance of different varieties of Salix integra to high zinc stress Effect of silicon addition on seedling morphological and physiological indicators of Glycyrrhiza uralensis under salt stress Population Structure and Quantitative Characteristics of the Psychrophyte Rhodiola fastigiata Study on ecology in cultivation of Pinellia ternata Combining Ability Analysis on Seedling Shoot Elongation and Growth Parameters for the Third Generation Germplasm of Pinus massoniana Provenance Differences of Seedling Shoot Elongation Parameters in Schima superba