Method, Effect and Water-salt Dynamics by Furrow-Ridge to Emprove High Salinized Grassland Accumulating Characteristics of Dry Subtance and Active Component of Summer-planted Isatis indigotica Fort.Cultivated Populations Dynamics and D iversity of Soil Fauna Commun ity inLitter Layer of Chinese Fir Forestin Dagangshan Mounta in Field application of hyacinth (Eichharnia crassipes.), a strong nutrient accumulating plant Isolation,Identification and Characteristics of Denitrifying Polyphosphate-Accumulating Organisms Studies on the Biological Characteristics of Psoralea corylifolia L. Study on accumulating rule of primary fatty acids and proteins in flax seeds STUDIES ON THE CHARACTERISTICS OF THE FOREST FLOOR ANDTHE SOIL IN THE EVERGREEN BROAD-LEAVED FOREST DOMINATED BY CYCLOBALANOPSIS GLAUCA IN ZHEJIANG,CHINA Effects of cultivation methods on dry matter accumulating and growth dynamics of Angelica sinensis UPTAKE OF POTASSIUM IN SOIL AND MINERAL BY GRAIN AMARANTH (Amaranthus spp.)