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Evaluation of non-use value of ecotourism resources: a case study in Dalai Lake protected area of China Lake nutrient ecosystems in the east-central moist subtropical plain of China Screening and Identification of a Small Round Seed and Semi-dwarf Mutant srd-1 of Native Rice Variety Lailong in Guizhou Characteristics of Soil Microbes in Reclaimed Mine Soil of Chai-He Zinc-lead Mine Wasteland ON THE RELATIONSHIP BETWEEN THE LAW OF GROWTH OF POPULUS TOMENTOSA CARR.AND THE SOIL CONDITION OF FOREST LAND IN THE PLAIN OF WESTERN SHANDONG PROVINCE THE STUDY ON THE SITE CLASSIFICATION AND ITS EVALUATION AT FOREST LAND IN THE PLAIN FORMERLY FIOODED BY THE HUANGHE RIVER STUDY ON STRASTEGIC OBJECTIVE OF FORESTRY DEVELOPMENT IN HUANG-HUAI-HAI PLAIN WITHIN SHANDONG PROVINCE THE FEEDING HABIT OF BEAVERS IN XINJIANG Estimation of ecological water demands based on ecological water table limitations in the lower reaches of the Liaohe River Plain, China Quantitative Assessment of Vegetation Cover and Management Factor Based on Leaf Area Index and Remote Sensing Spectral and Recongnized Method for Different Plant Type Wheat Cultivars Embankment agriculture at Dongting Lake plain and substitutive agricultural mode after changing farmland into lake Analysis on dilemma and technical demand of the sustainable development of cropping system in Huang-Huai-Hal Plain Saline-alkali land management and countermeasures of sustainable agricultural development in Songnen Plain Variation features of micro-waterlogged topographic and ecological agriculture models in Jianghan Plain Cycling and balance of zinc in farmland ecosystem of the Jiang-Han Plain in Hubei Province Characteristics of evapotranspiration and energy budget of soybean field in the Sanjiang Plain Study on the relationship between the soil nutrient elements and the apple fruit quality of the newly reclaimed apple orchard in Taihang mountain gneiss area Climate change and its effects on agricultural ecology during the recent 40 years in Songnen Plain Effect of applying peat to soda salinized soil on soil salinity in north plain of Liaohe River ANALYSIS ON THE FLUX OF SOIL SEED BANK AND THE SEEDLING MORTALITY IN THE COMMUNITIES OF TWO SPECIES OF SU AEDA IN THE SONGNEN PLAIN IN CHINA Influences of Different Vegetation Types on Soil Parameters in Degraded Sandy Lands of Songnen Plain Temporal-spatial variability of soil available phosphorus and potassium in the alluvial region of the Huang-Huai-Hai Plain Study on NPK Fertilizer and Nutrients Utilizing Efficiency under Sudangrass and Ryegrass Rotation Regime in Jianghan Plains Effect of Mowing to the Leaf Area Index of the Leymus chinensis Population Analysis of the Plasticity of Growth and Density-Dependent Regulation of Hordeum Brevisubulatum Population of the Songnen Plan Studies on Vascular System Anatomy of Strelitzia nicolai Flower Taxithelium kerianum(Broth.)Broth.(Pylaisiadelphaceae,Bryophyta)Reported New to China The Applicability Research of WOFOST Model in North China Plain Impact of climate change on winter wheat production in the Hebei Plain Changes in per-hectare yield of wheat and related factors in Shajiang black soil region of the Huaibei Plain Evaluation of soil quality in reclaimed coastal regions in North Jiangsu Province Research on strategic agricultural division and layout of the Huang-huai-hai Plain Spatial variability of soil organic carbon sequestration rate and its influencing factors in Fengqiu County, Henan, China. Comprehensive evaluation of improving effects of different organic wastes on a newly reclaimed cultivated land. Assessment of the yield loss of winter wheat caused by dry-hot wind in Huanghuaihai Plain based on the hazard index of dry-hot wind The role of elaiosome in seed dispersal of five ant-dispersed herbaceous plants Impact of the understory on estimation of leaf area index of Pinus massoniana using remote sensing technology Simulating the spatial pattern of annual mean evapotranspiration of a heterogeneous landscape Nutrient resorption in the leaves of two leguminous species widely planted in South China Balance of Boron in Farmland Ecosystem in Calcareous Alluvial Soil of Jianghan Plain in Hubei Province The ecological effects of planting Apocynum venetum in the plain desert of the Altay Region, Xinjiang Province Ammonia volatilization from marsh soils of typical floodplains with different flooding frequencies The physiological response of different greenbelt plants irrigated by reclaimed water for short-term Chemical constituets of Sparganium stoloniferum Study on Regeneration Age of Farm poplar Shelter Belt in Huanghe Flooding Plain Preliminary Study on the Carbon Efficiency of Main Crops Production in North China Plain Effects of Plastic Mulching and Irrigation on Yield of Corn in Arid Oasis Irrigation Area CO₂-release rate of soil respiration and litter decomposition of meadow marshes in Sanjiang Plain New Records of Genera of Spermatophyte from Xinjiang A Discussion on the Eco-agricultural Ways for Comprehensive Agricultural Development in Huanghuaihai Plain Preliminary study on the appropriate cultivating season of high-quality rice formation in Jianghan Plain Characteristics of radiation and heat processes over wheat field in North China Plain Preliminary study on magnetic susceptibility of saline soil Technologies of saline alkali soil amelioration in Huanghe-Huaihe-Haihe Plain-A case study on Pingyuan Experimental Plot in Northwest Shandong The basic scientific problem of wetland agriculture in the Sanjiang Plain Simulation study on the extinction coefficient of winter wheat in Huang-Huai-Hai Plain of China Physiological response to salt-alkali stress in experimental populations in two ecotypes of Leymus chinensis in the Songnen Plains of China Vertical distribution character of nutrient elements in peat of Sanjiang Plain Comparison of precision in retrieving soybean leaf area index based on multi-source remote sensing data. Effects of elevated atmospheric CO₂ concentration and nitrogen addition on the growth of Calamagrostis angustifolia in Sanjiang Plain freshwater marsh. Spatial and temporal variation of atmospheric nitrogen deposition in North China Plain Organic carbon fractions and aggregate stability in an aquatic soil as influenced by agricultural land uses in the Northern China Plain Landscape structure, management and soil organic carbon in the densely populated village landscapes of China‘s Yangtze Delta Plain A survey on the ecological characteristics of soil nematodes in the mid-west plain in Jilin Province EVOLUTIONARY CHANGES AND FUTURE PROSPECTS IN CHARACTERS OF WHEAT CULTIVARS IN CENTRAL SHAANXI PLAIN Estimation and Analysis of Ecological Efficiency in the Plain Area Studies on Relationships between Cotton Population Composition and Transfer Characteristic of PAR Studies on chemical constituents of Uvaria tonkinensis var. subglabra Elaiosome Development in Chelidonium majus L. Seeds Preliminary Study of Chemical Composition of the Elaiosome of Sloanea hemsleyana (lto) and Its Ecological Function to Attract Dispersal Agent Additions to the Chinese Pylaisiadelphaceae (Bryopsida) Study on purification of nitrogen and phosphorous in Deyeuxia angustifolia simulated experiment in Sanjiang Plain,China Effects of Different Nitrogen Topdressing Methods on Correlated Character and Yield of Maize in Cold Zone Stuies on the Chemical Constituents of the Essential Oils from the Leaves of Aglaia odorata Lour Studies on the Chemical Constituents of Xylanche himalaica Landscape structure and ecological coupling analysis of ecotone on the west Sonnen Plain Cycling and balance of copper in farmland ecosystem of Jianghan plain in Hubei Province Temporal and spatial change characteristics of soil elements in reclaimed slope forestland Study on fire behavior in grassland