The validation of modeling effects of different nitrogen levels on the leaf nitrogen and yield dynamics of rice Influence of different nitrogen levels on biomass, nitrate and oxalate accumulation in spinach Identification and interaction analysis of QTL for chlorophyll content in wheat seedlings Effects of different nitrogen levels on photosynthetic characteristics, dry matter accumulation and yield of relay strip intercropping Glycine max after blooming Effects of Nitrogen Levels on Photosynthesis and Chlorophyll Fluorescence Characteristics under Drought Stress in Cotton Flowering and Boll- Forming Stage Effect of Paclobutrazol on Photosynthesis and Chlorophyll Fluorescence Under Different Fertilization Rates in Potatoes MAXIMUM RATION LEVEL IN THE SOUTHERN CATFISH(SILURUS MERIDIONALIS CHEN) IN RELATION TO BODY WEIGHT AND TEMPERATURE EFFECTS OF NITROGEN NUTRITION ON PODS DEVELOPMENT IN RAPE (B.NAPUS)