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Impacts of urban cooling effect based on landscape scale: A review. Regional difference of NPK fertilizers application and environmental risk assessment in Jiangsu Province, China. The landscape components threshold of stream water quality: a review Preliminary study on NO^-₃-N threshold in tomato seedlings grown in plug tray Determination of the upper threshold value for 5 main control indexes in reclaimed water irrigation Research on characteristics of extreme weather disasters and fluctuations trend on Lancang river basin Scenarios simulation and indices thresholds determination of ecological security in three gorges reservoir based on system dynamics Influence of different typical under-forest economy modes on the plant community diversity in China’s Southwest Mountains Research on the application of natural ecological restoration in a typical region of China with red soils Evaluation on trampling of grazed Gansu wapiti (Cervus elaphus kansuensis Po cock) and its effects on soil property in winter grazing land Studies on Ecology of Citrus Arrowhead Scale Unaspis yanonensis Threshold of nitrogen application in paddy soils in the northern area of Erhai Lake Effect of phosphoric amide herbicide APM on POD and protein compositions of Hordeum vulgare and Secale cereale A STUDY ON THE CONTROL THRESHOLD OF CERACRIS KIANGSU TSAI A STUDY ON THE SIMULATION OF ECONOMICAL THRESHOLD OF ENERGY FLOW IN PHYLLOSTACHYS PUBESCENS ECOSYSTEM Dynamic changes of landscape connectivity for ecological lands and distance thresholds in the middle reaches of the Heihe River, Northwest China. Research on the difference in eutrophication state and indicator threshold value determination among lakes in the Southern Jiangsu Province, China Threshold effect of soil moisture on photosynthetic and physiological parameters in Rosa xanthina L. and its photosynthetic productivity classification Effects of Deficit Drip Irrigation on Development of Muskmelon and Fruit Quality Grown in a Greenhouse Competition of Beckmannia syzigachne with transplanted rape and its economic control threshold Studies on the damage and economic threshold of weeds to winter wheat STUDIES ON THE WHEAT YIELD LOSS CAUSED BY WEED EUPHORBIA HELIOSCOPIA AND ITS ECONOMIC THRESHOLD EFFECT OF WHETHER ON SCLEROTIORUM OF RAPE AND THRESHOLD OF CONTROL STUDY ON THE OCCURRENCES AND CONTROL TECHNIQUES OF STRIPED FIELD MOUSE IN FIELD STUDY ON THE ECONOMIC THRESHOLD AND CONTROL FOR BROADLEAF WEEDS IN WHEAT FIELD SOME STUDIES ON THE YIELD LOSSES AND CONTROLLING THRESHOLD OF SHEATH BLIGHT OF WINTER WHEAT IN SHANDONG PROVINCE STUDY ON THE DAMAGE AND ACTION THRESHOLD OF WHITE-BACKED PLANTHOPPER TO RATOONING RICE The warning research of soil enzyme activities on heavy metal-contamination of brown earth in Shandong Effects of phenological change on ecosystem productivity of temperate deciduous broadleaved forests in North America Response of plant biofuel hybrid Pennisetum to NaCl stress and its salinity threshold Ecological thresholds: Concept, methods and research outlooks Toxicity thresholds and predicted model of Pb added to soils with various properties and its leaching factors as determined by barley root-elongation test. A PRELIMINARY STUDY ON THE ECONOMIC INJURY LEVEL AND ECONOMIC THRESHOLD OF BROWN PLANTHOPPER TO SEMILATE NONWAXY RICE STUDY ON THE ASCENDENT CRABGRASS‘‘ ECO-ECONOMIC THRESHOLD MODEL AND ECO-ECONOMIC CONTROL THRESHOLD MODEL IN SUMMER GROUNDNUT FIELD STUDIES ON THE ACTION THRESHOLD OF RICE STRIPED BORER ON HYBRID RICE STUDIES ON THE CHEMICAL CONTROL TACTICS AND MIXED ECONOMIC THRESHOLD OF RICE PLANTHOPPER AND SHEATH BLIGHT IN PADDY RICE FIELD STUDIES ON THE INJURY EQUIVALENCY SYSTEM AND MIXED ACTION THRESHOLD OF MAIN SOYBEAN LEAF-FEEDING INSECT PESTS ON THE DYNAMIC COMPOUND ACTION THRESHOLDS OF SECOND GENERATION COTTON BOLL WORM AND SPIDER MITES DAMAGED TO COTTON IN NORTHERN CHINA COTTON AREA ON THE DAMAGE AND ACTION THRESHOLD OF NORTHERN ROOT-KNOT NEMATODE TO PEANUT PRELIMINARY STUDIES ON THE YIELD LOSSES OF TAKE-ALL DISEASE OF CORN AND ITS CONTROLLING THRESHOLD STUDY ON THE ECO-ECONOMIC THRESHOLD PERIOD FOR CONTROLLING DIGIT ARIA SANGVINALIS IN SUMMER MAIZE FIELD IN NORTH CHINA OPTIMAL STAGE AND THRESHOLD OF THE CONTROL OF SCLEROTINIA ROT The Developmental Threshold and the Control Threshold of Larch Leaf Cast A STUDY ON EFFECTIVE ACCUMULATED TEMPERATURE AND THRESHOLD TEMPERATURE FOR DEVELOPMENT CHOUIOIA CUNEA Yang (HYMENOPTERA:EULOPHIDAE) PERCOLATION THRESHOLD OF ELECTRICALLY CONDUCTIVE FUNCTION IN WOOD-BASED COMPOSITE PANELS STUDIES ON YIELD LOSS AND DYNAMIC ECONOMIC THRESHOLD OF SHEATH BLIGHT OF HYBRID EARLY RICE STUDIES ON THE CONTROL THRESHOLD OF THE SILK TREE SCALE (AONIDIELLA SOTETSU (Takahashi)) The development and evaluation of species distribution models Research on the habitat condition of phytoplankton community’s restoration in Suzhou Creek Initial Growth Effect and Ecological Threshold of Festuca arundinacea L.Under Progressive Stress of Cu²⁺ and Zn²⁺ A study on the threshold and the tendency in Zhangjiajie tourist and ecological environment A conceptual analysis of ecosystem stability Threholds in vegetation-precipitation relationship and the implications in restoration of vegetation on the Loesee Plateau,China Effects of spatial grain size on landscape pattern of land-cover types in the rapidly urbanized region Review on recent advances in ecological threshold research Effects of Eupatorium adenophorum on the growth of cotton and its economic threshold Effect of Eclipta prostrata on rice yield properties and estimation of economic threshold for control of the weed Inhibitory effects and control efficacy of Paenibacillus polymyxa WY110 on watermelon Fusarium wilt Screen and identification of wheat new resistant germplasms to Fusarium head blight Effects of Eupatorium adenophorum on the eggplant yield and its economic thresholds Influence of Alternanthera philoxeroides on the growth of paddy rice and its economic threshold Effects of variable temperature on development of Asecodes hispinarum Influence of barnyardgrass, Echinochloa crusgalli, on the growth and yield of paddy rice and its economic threshold Photosynthesis in Leaves of Medicago truncatula under Salt Stress A PRELIMINARY STUDY ON THE DAMAGE AND ACTION THRESHOLD OF CITRUS RUST MITE TO CITRUS STUDIES ON ECONOMIC THRESHOLD FOR PINK BOLLWORM ON COTTON IN HENAN PROVINCE STUDIES ON THE ACTION THRESHOLD OF RICE STRIPED BORER ON REGENERATE RICE STUDY ON THE INJURY EQUIVALENT AND COMPOUND ACTION THRESHOLD OF RAPE APHIDS STUDIES ON THE DAMAGE AND ECONOMIC THRESHOLD OF WHEAT SHEATH MINING FLY TO HIGHLAND BARLEY ON THE CHEMICAL CONTROL STRATEGIES OF ARROWHEAD SCALE UNASPIS YANONENSIS INCITRUS GARDEN Study on Diversity of Mixed Forest and Its Pest Resistance for Anoplophora glabripennis (Motschlsky) Study on the Economic Threshold Value for Zokor Control of Economic Forest in Guyuan Replacing Agriculture by Afforestation Geographical Distribution of Dastarcus helophoroides in China A Study on the Index of Prevention and Control of Ceracris kiangsu Tsai Ecoeconomic viewpoint on controlling weeds in the field of summer maize in the North China Application of AVHRR data of NOAA satellite to investigating low-yield farmland in Huaibei Plain Damage of citrus leafminer to citrus and its economic threshold A PRELIMINARY ANALYSIS OF THE RELATIONSHIP BETWEEN THE EXTINCTION OF RHINOCEROS AND HUMAN POPULATION PRESSURE IN CHINA PRELIMIN ARY STUDY ON THE ECONOMICAL THRESHOLD OF ENERGY FLOW IN COTTON FIELD A STUDY ON THE EFFECTS OF COMPENSATION AND SUPER COMPENSATION OF CHINESE PINE DAMAGED BY CHINESE PINE CATERPILLAR