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A study on the physiological properties of root systems in various wheat varieties and the effects of their phosphorus uptake and utilization efficiency on the yields Genotypic variations for nitrogen use efficiency in winter wheat I.Effects of N uptake and utilization efficiency on grain yields Differences in clonal growth between female and male plants of Rhus typhina Linn. and their diurnal changes in photosynthesis and chlorophyll fluorescence Countermeasures of low-carbon economy for sustainable development of China’s tea industry Difference in nitrogen accumulation and translocation between semi-winterness and springness wheat. Light Utilization Efficiency of Temperate Typical Grassland in Growing Period The Effects of Split-nitrogen Application in Spring on Seed Yield and Nitrogen Use Efficiency in Russian Wildrye Effects of the Amount of Basic and Tillering Nitrogen Applied on Absorption and Utilization of Nitrogen in Rice Comparison of potential yield and resource utilization efficiency of main food crops in three provinces of Northeast China under climate change. Effects of phosphorus sources on phosphorus fractions in rhizosphere soil of wild barley genotypes with high phosphorus utilization efficiency. Characteristics of dry matter production and nitrogen accumulation in barley genotypes with high nitrogen utilization efficiency. Water use efficiency of Jiangsu Province based on the data envelopment analysis approach Effects of nitrogen rate and planting density on grain yield and nitrogen utilization efficiency of high yield summer maize Effects of ozone pollution on phosphorus absorption and distribution in different varieties of wheat Characteristics of organic acid and amino acid in root exudates of rice genotype with high nitrogen efficiency Study on analysis of types for phosphorus nutrition characteristics and their stabilities over testing years Mathematical Simulation and Design of Cylindrical Cavity of Microwave Pretreatment Equipment Used for Wood Modification Effect of Nitrogen Applied before Transplanting on Tillering and Nitrogen Utilization in Rice EFFECTS OF IRON AND DIFFERENT NITROGEN FORM ON IRON REUTILIZATION EFFICIENCY IN MAIZE PLANTS THE RELEASING PATTERN OF NITROGEN FROM Azolla IN RICE Azolla-FISH SYSTEM