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Research advances in the mechanisms of high nutrient use efficiency in plants Impact of land use pattern on lake water quality in urban region The function of ecological security patterns as an urban growth framework in Beijing Growing and Photosynthetic Response of Jatropha curcas L. seedlings to salt stress Ecosystem level water use efficiency: A review The characteristic of land changes in ecologically fragile Kast Areas: a case study in Northwest Guangxi, China Effect of addition of silicon on water use efficiency and yield components of alfalfa under the different soil moisture Research on characteristics of root surface and rhizosphere nitrification for Indica cultivars with different yield potential at the seedling stage in red soil regions Diversity of beetle assemblages in lac\|plantation\|farmland ecosystem THE FUTURE CLIMATE CHANGE AND ITS INFLUENCES TO FOREST IN HEILONGJIANG PROVINCE Influence of potassium fertilizer on nutrient accumulation and physiological efficiency of hybrid rice Effects of phosphorus in controlled-released compound fertilizer on potato growth Major factors influencing phosphorus use efficiency of winter wheat Research of N2O flux from greenhouse and nitrifier and denitrifier numbers Study on the effect, absorption and distribution of NPK on tomato in greenhouse of Beijing suburbs USE AND MANAGEMENT OF SOIL WATER AND NITROGEN RESOURCES Ⅱ-The simulation of use, loss and annual use efficiency of soil water and nitrogen resources A FIELD RESEARCH ON THE EFFECT OF WATER FERTILIZER COUPLING IN CHESTNUT SOIL THE MECHANISM OF FERTILIZATION IN INCREASING WATER USE EFFICIENCY Characterization of photosynthetic carbon assimilation in wheat varieties with different N efficiency 不同小麦品种(系)吸收利用氮素效率的差异及有关机理研究　Ⅲ.影响利用效率的因素分析 Analysis on affecting factors of group water use efficiency of summer corn REGULATION SOIL WATER AND WATER USE EFFICIENCY BY LEVEL FURROW WATER USE EFFICIENCY AND IMPROVEMENT WAY THE EFFECT OF LIMITED WATER SUPPLY ON THE YIELD AND WATER USE EFFICIENCY OF SUMMER CORN User and Digital Certification Management in Forestry Grid The Primary Study of the Antimicrobial Function of Main Tree Species in the Woodland Along the Grand Canal in Yangzhou Water Use Efficiency Difference among Four Poplar Clones and Its Physiological Mechanism Effect of Fertilization Prescription and Growth Regulators on Bamboo Shoots Yield of Dendrocalamus latiflorus Plantations Planted on Hills Forests and Forestry Activities in Relations to Emission Mitigation and Sink Enhancement A Study on Foliar Carbon Isotope Composition(δ13C) and Water Use Efficiency of Different Populus deltoides Clones under Water Stress Fruiting Characteristics in Ginkgo biloba Research on the Optimization Software of the Timber Scaling Effects of landuse types on restoration of soil quality on karst rocky desertification region in Guizhou Province Ecological restoration and sustainable landscape design of mining wastelands Preliminary studies on the rule of copepod diapause Effects of fertilization with reducing nitrogen, controlling phosphorus and stabilizing potassium on rice yield and nutrient accumulation Effect of fertilization on labile carbon pools and emissions of greenhouse gas in soils of Chinese chestnut stands Effects of the different organic fertilizers on growth，photosynthetic characteristics and quality of Pear-jujube of in the Loess Plateau Effect of K application rate on yield and K use efficiency of buckwheat Effects of long-term straw-returning on corn yield, economic benefit and water use in arid farming areas