15N 第3页

Investigation on the economically-ecologically appropriate amount of nitrogen fertilizer applied in rice production in Fe-leaching-Stagnic Anthrosols of the Taihu Lake region Analysis of the nitrogen uptake and utilization efficiency and N fertilizer residual effect in the wheat-maize-soybean and wheat-maize-sweet potato relay strip intercropping Identification of Organic or Conventional Lettuce by Nitrogen Isotope Identification of Organic or Conventional Lettuce by Nitrogen Isotope Effects of Different Rootstocks on Distribution and Utilization of ¹³C and ¹⁵N of Malus × domestica Borkh.‘Red Fuji’ Effects of Different Zeolite Amount on the Growth of Potted Malus hupehensis Rehd. Seedlings and Utilization of 15N-urea Effects of Soil pH on Growth，Distribution and Utilization of Carbon and Nitrogen of Malus × domestica‘Red Fuji’ Effect of Once and Split Fertilization on Characteristics of Absorption，Distribution and Utilization of 15N-urea for Gala/Malus hupehensis Effects of Continued Pinching on Characteristics of Utilization and Distribution of ¹³C and ¹⁵N for Red Fuji/SH1/ Malus robusta Rehd. Effects of Different Plumpness Buds on the Distribution and Utilization of
¹³C and ¹⁵N in Gala（Malus × domestica/Malus micromalus Makino） ABSORPTION AND UTILIZATION OF FERTILIZER N AND SOIL N BY RICE AT BASAL EAR STAGE EFFECT OF PADDY UREASE INHIBITORS ON FATE OF 15 N UREA NITROGEN TRANSFER VIA VA MYCORRHIZA HYPHAE LINK BETWEEN ROOTS OF RED CLOVER EFFECT OF UREA APPLICATION AS TOP DRESSING AT DIFFERENT GROWTH STAGES OF WINTER WHEAT N BALANCE OF DIFFERENT N APPLICATION RATE OF WINTER WHEAT UNDER WATER-SAVING CONDITION Effect of soil C/N ratio on nitrogen utilization and growth of apple Nitrogen-15 labeling and nitrogen transformation in silage maize-cattle manure system Transport and redistribution of nitrogen at late growth stagesin different oilseed rape cultivars Effect of irrigation on nitrogen characteristics of Alhagi sparsifolia seedlings Food web structure of Poyang Lake during the dry season by stable carbon and nitrogen isotopes analysis Characteristics of absorption, distribution and utilization of ¹⁵N in Red Globle Grape under fertilizer application in different depths Effects of nitrogen fertilization on characteristics of distributionand utilization of ¹⁵N and¹³C of Gala seedlings Effects of fertilization with injection to the rhizosphere on nitrogen absorption and utilization, fruit yield and quality of apple in the Loess Plateau Effects of different management patterns on uptake, distribution and fate of nitrogen in summer maize Transformation of external chemical nitrogen in soil organic nitrogen fractions and their relationship Physiological and biochemical mechanism of ¹⁵N-urea foliage spraying in increasing the nitrogen uptake and utilization of cotton seedlings Effects of continuous turnover of Astragalus sinicus on rice yield and N absorption, distribution and residue  in single-cropping rice regions of Fujian Province N RESOURCE OF GRASSES AND N_2-FIXATION OF ALFALFA IN MONOCULTURE AND MIXTURE THE EFFECT OF FERTILIZER-N APPLIED At DIFFERENT TIME TO "YALI" PEAR EFFECT OF DIFFERENT MODES OF FERTILIZER N APPLICATION ON NITROGEN ABSORPTION AND YIELD OF DIRECT SEEDING RICE EFFECT OF ROOT CONTACT ON N UPTAKE DISTRIBUTION IN INTERCROPPED SOYBEAN AND HEDGEROW Fertilizer-N Uptake and Conversion Efficiency in 8 Species of Gramineous Pastures by Using ¹⁵ N-tracing Technique Studies on Rice Uptake and Distribution of 15N Fertilizer in Different Varieties of Indica Rice and at Different Growth Stages Nitrogen Transfer between Maize and Peanut by A Common Mycorrhizal Fungi Effects of Different Zeolite Amount on the Growth of Potted Malus hupehensis Rehd. Seedlings and Utilization of 15N-urea Effects of Soil pH on Growth，Distribution and Utilization of Carbon and Nitrogen of Malus × domestica‘Red Fuji’ Effects of Different Rootstocks on Distribution and Utilization of ¹³C and ¹⁵N of Malus × domestica Borkh.‘Red Fuji’ Effects of Different Plumpness Buds on the Distribution and Utilization of
¹³C and ¹⁵N in Gala（Malus × domestica/Malus micromalus Makino） EFFECT OF APPLYING UREA AND GREEN MANURE AZOLLA ON THE RICE GROWING AND NITROGEN UTLLIZATION EFFECIENCY THE MECHANISM OF INCREASING RICE OUTPUT BY APPLYING FERILIZERS TO WHOLE ARABLE LAYER THE EFFECT OF SOIL VOLUMETRIC WEIGHT ON NITROGEN SUPPLYING ABILITY OF SOIL AND ABSORPTION,UTILIZATION OF NITROGEN BY COTTON EFFICIENCY OF NITROGEN IN NP COMPOUND ( MIXED ) FERTILIZERS STUDIES ON THE FUNCTIONS OF DIFFERENT UNIT-ROOTS AND THE GROUPING OF ROOTS IN WINTER WHEAT COMPARISON OF NH_4~+-N AND NO_3~--N NUTRITION IN HYBRID AND CONVENTIONAL RICE AT THE LATE GROWTH STAGE STORAGE AND RECYCLING UTILIZATION OF LEAF-NITROGEN OF JUJUBE TREE NITROGEN TRANSFORMATION IN SOLL AND ITS UPTAKE BY WINTER WHEAT EFFECT OF PLANTING PATTERNS ON DINITROGEN FIXATION OF ALFALFA AND TRANSFER OF N FIXED THE EFFECT OF Azolla ON NITROGEN BALANCE IN PADDY FIELD EFFECT OF ORGANIC AND INORGANIC FERTILIZER APPLIEDTOGETHER ON N AND P ABSORPTION AND SOIL FERTILITY 应用~（15）N研究春小麦对硝酸磷肥及尿素普通过磷酸钙氮素的利用 DETERMINATION OF ~(15) N ABUNDANCE IN BIOTIC SAMPLES BY MASS SPECTROMETER WITH SINGLE WAY AND THREE BEAMS STUDY ON DISTRIBUTION LAW OF MODIFIED UREA-N IN SOIL-PLANT SYSTEM EFFECT OF DISTRIBUTION MODES OF NITROGENOUS FERTILIZER ON WHEAT AND PEANUT YIELDS AND THE NITROGENOUS FERTILIZER UTILIZATION RATIO UNDER THE WHEAT PEANUT CROPPING SYSTEM RESPONSE OF MAIZE TO REDUCED UREA APPLICATION COMBINED WITH COMPOUND NITROGEN FERTILIZER SYNERGISTS Effects of Transplanting Time and Nitrogen Fertilizer on the Yield, Market Value and N Uptake of Flue-cured Tobacco by using 15N Tracing Technique EFFECT OFBORAX AND CYSTEAMINE COMPOUND AGENT ON FINISHING SHEEP GROWTH PERFORMANCE, NITROGEN RETENTION, SERUM BIOCHEMICAL INDICES AND PROTEIN TURN-OVER Nitrogen Utilization Efficitncy and Fate of Fertilizer under Different Transplanting Density METABOLISM OF DIET UREA IN THE RUMEN in vitro BY 15NTRACER TECHNIQUE FEASIBILITY ANALYSIS OF ORGANIC TEA AUTHENTICATION
USING 15N NATURAL ABUNDANCE METHOD Studies on the ¹⁵ N Absorption and Utilization Characteristics of Strawberry inDifferent N Application Stage Studies on the Absorption and Distribution of ¹⁵N-labelled Ammonium Calcium to Prunus mume Following Autumn Application Effect of Application Rate of Nitrogen on Its Utilization in Wheat by Using 15N Tracer Technique Effects of Branch Drooping on Characteristics of Absorption, Distribution and Utilization of ¹⁵N-urea Application for Malus domestica Borkh.‘Red Fuji’/ Malus hupehensis