Nitrogen accumulation, allocation and translocation in wheat/maize/soybean relay intercropping system Nitrogen allocation and partitioning within a leguminous and two non- leguminous plant species growing at the southern fringe of China’s Taklamakan Desert A review of nitrogen allocation in leaves and factors in its effects Photosynthetic Characteristics and Their Relationships with Leaf Nitrogen Content and Nitrogen Allocation in Leaves at Different Leaf Age Relationship between photosynthetic nitrogen use efficiency and nitrogen allocation in photosynthetic apparatus of winter oilseed rape under different nitrogen levels Effect of irrigation on nitrogen characteristics of Alhagi sparsifolia seedlings Nitrogen Distribution at Grass-Soil System and Growing Dynamic on Russian Wildryegrass Pasture as Influenced by Grazing Seasonal dynamics of carbon and nitrogen in fine roots and their differences between successive rotation poplar plantations. Effects of root restriction and nitrogen application on the growth of Forsythia suspensa seedlings PHOTOSYNTHESIS AND NITROGEN UTILIZATION IN LEAVES OF CINNAMOMUM BURMANNI GROWN UNDER ELEVATED ATMOSPHERIC NH3 CONCENTRATIONS AND SUPPLIED WITH DIFFERENT FORMS OF SOIL N Content and Allocation of Nitrogen in Leaves of 8 Tree and Shrub Species of the Evergreen Broad-leaved Forest and the Relations with Their Photosynthetic Abilities