Growth Model System for Continuous Forest Inventory Estimation of root production and turnover in an alpine meadow:comparison of three measurement methods Embryo and Endosperm Development in Isatis Tinctoria L. and the Histochemical Study of Its Storage Reserve EXPERIMENTAL STUDY ON INFLUENCE OF ALUMINUM IN FOREST SOIL ON PINUS MASSONIANA GROWTH Formation and Development of Embryo Sac Wall in Rice Development of Embryo and Endosperm and Nutrient Accumulation in Vigna sesquipedalis (L.) Fruwirth