THE MOVEMENT AND LEACHING LOSS OF NO3-N IN PROFILE OF CHAO SOIL IN BEIJING Effect of pH on nitrate uptake by rice seedlings Effects of a controlled-release nitrogen fertilizer on tea yield and quality and rational application technology Research on physiological and biochemical changes of growing spring shoots of Taxus media NO3--N leaching and distribution in soil profile in dry highland of Loess Plateau under long-term fertilization Variations of Soil NH4-N, NO3-N and N Mineralization Under Different Forests in Xishuang-banna, Southwest China Temporal-spatial variations of ammonia and nitrate under application of inorganic and organic fertilizers in purple soil of winter wheat Effects of elevated atmospheric CO2 on paddy soil nitrogen content during rice season. Effect of environmental factors and algae density on the growth and nutrient uptake in Porphyra yezoensis The Differences of Subcellular Ca2+ Distribution in Root Meristem Region ofCucumber Seedling Under Different NO3- Concentrations Stress