Computer and Computing Technologies in Agriculture II, Volume 1

The papers in this volume comprise the refereed proceedings of the Second IFIP International Conference on Computer and Computing Technologies in Agriculture (CCTA2008), in Beijing, China, 2008. The conference on the Second IFIP International Conference on Computer and Computing Technologies in Agriculture (CCTA 2008) is cooperatively sponsored and organized by the China Agricultural University (CAU), the National Engineering Research Center for Information Technology in Agriculture (NERCITA), the Chinese Society of Agricultural Engineering (CSAE) , International Federation for Information Processing (IFIP), Beijing Society for Information Technology in Agriculture, China and Beijing Research Center for Agro-products Test and Farmland Inspection, China. The related departments of China's central government bodies like: Ministry of Science and Technology, Ministry of Industry and Information Technology, Ministry of Education and the Beijing Municipal Natural Science Foundation, Beijing Academy of Agricultural and Forestry Sciences, etc. have greatly contributed and supported to this event. The conference is as good platform to bring together scientists and researchers, agronomists and information engineers, extension servers and entrepreneurs from a range of disciplines concerned with impact of Information technology for sustainable agriculture and rural development. The representatives of all the supporting organizations, a group of invited speakers, experts and researchers from more than 15 countries, such as: the Netherlands, Spain, Portugal, Mexico, Germany, Greece, Australia, Estonia, Japan, Korea, India, Iran, Nigeria, Brazil, China, etc.

The papers in this volume were peer-reviewed and carefully selected Much information in this series is published in advance of journal publication The contributors in this volume are world-renowned experts in their field

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International Federation for Information Processing

The IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. The scope of the series includes: foundations of computer science; software theory and practice; education; computer applications in technology; communication systems; systems modeling and optimization; information systems; computers and society; computer systems technology; security and protection in information processing systems; artificial intelligence; and human-computer interaction. Proceedings and post-proceedings of refereed international conferences in computer science and interdisciplinary fields are featured. These results often precede journal publication and represent the most current research. The principal aim of the IFIP series is to encourage education and the dissemination and exchange of information about all aspects of computing.

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Inhalt
Some Possibilities of Studying the Precision Farming in Estonia, Methods and Results Ofcomplex Investigation.- Optimal Path Planning Program for Autonomous Speed Sprayer in Orchard Using Order-Picking Algorithm.- The Use of a Meteorological Station Network to Provide Crop Water Requirement Information for Irrigation Management.- Use of Ceres-Wheat Model for Wheat Yield Forecast in Beijing.- Data Envelopment Analysis on Efficiency Evaluation of Irrigationfertilization Schemes for Winter Wheat in North China.- Land-Use Change Dynamics and Cluster Analysis of Agricultural Structure in The Zuli River Basin in Recent 20 Years.- The Change of Land Cover/Land Use in Ejina Oasis over 20 Years.- Assessment and Mapping of Heavy Metals Pollution in Tea Plantation Soil of Zhejiang Province Based on Gis.- Application and Estimation of Wheat Production Emulation System in Hebei Province.- Fast Measurement of Soluble Solid Content in Mango Based on Visible and Infrared Spectroscopy Technique.- Use of Nir Spectroscopy and Ls-Svm Model for the Discrimination of Varieties of Soil.- GIS-Based Disaster Warning System of Low Temperature and Spare Sunlight in Greenhouse.- Study on Forest Vegetation Classification Based on Multitemporal Remote Sensing Images.- The Spatial Pattern Characteristics of Soil Nutrients at the Field Scale.- Research on Precision Irrigation in Western Semiarid Area of Heilongjiang Province by Interpreting Data Source Spatial Distribution.- Application of 3S Technology to Land Consolidation in Chernozem Region of China.- Simulation Design of the Spiral Groove Precision Seed-Metering Device for Small Grains.- Dem-Based Study of Habitat Characteristics of Torreya Fengqiao in Kuaiji Mountain, China.- Quantitatively Optimized Selection of Proper Scale in Land Use Cartographic Generalization.- Application of Genetic Algorithm in the Modeling of Leaf Chlorophyll Level Based on Vis/Nir Reflection Spectroscopy.- Planting-Density Optimization Study Fortomato Fruit Set and Yield Based Onfunctional-Structural Model Greenlab.- Sustainable Agricultural Paradigm Of mountain-Oasis-Ecotone-Desert System in Inland Manasi River Basin, Xinjiang Province, Northwest China.- Gis-Based Crop Support System For Common Oatand Naked Oat in China.- Study on Soil Nutrient Management Andfertilization Model in Ningxia County Territorywith Gis.- Extension Evaluation Model of Land Destructiondegree in Mining Area and its Application.- Dynamic Simulation Model for Production and Dry Matter Accumulation in Peanut.- Automated Digital Image Analyses For Estimating Percent Ground Cover of Winter Wheat Based on Object Features.- Research on The Method of Gis-Based Analysis on Agricultural Regional Competitive Industries.- Study and Application on Cloud Covered Rate for Agroclimatical Distribution Using In Guangxi Based on Modis Data.- Research on the Spatial Variability of Soil Moisture.- Extraction of Remote Sensing Information Ofbanana Under Support of 3S Technology Inguangxi Province.- THE EXPLOITATION OF WEBGIS BASED ON ARCGISSERVER AND AJAX.- MONITORING FREEZE INJURY AND EVALUATING LOSINGTO SUGAR-CANE USING RS AND GPS.- ANALYSES ON REGIONAL CULTIVATED LAND CHANGEBASED ON QUANTITATIVE METHOD.- RECONSTRUCTION OF 3D DIGITAL IMAGE OF WEEPINGFORSYTHIA POLLEN.- STUDY AND DEVELOPMENT OF MOBILE TRACINGTERMINAL BASED ON GPRS FOR AGRICULTURALPRODUCTS QUALITY TRACKING.- GIS-BASED ELABORATE SPATIAL PREDICTION OF SOILNUTRIENT ELEMENTS USING ANCILLARY TERRAIN DATAISN CHONGQING TOBACCO PLANTING REGION, CHINA.- AGRICULTURAL CROSS LANGUAGES INFORMATIONRETRIEVAL SCHEMA BASED ON MUTI-THESAURUSMAPPING.- QUANTIFY THE LANDSCAPE EFFECT OF RURAL REGIONPLANNING NEAR METROPOLIS USING HIGH SPATIALRESOLUTION REMOTE SENSING-CASE STUDYINGAOLIYING TOWN IN BEIJING.- EFFECTS OF LAND USE ON SOIL QUALITY ON THE LOESSPLATEAU IN NORTH-WEST SHANXI PROVINCE.- Spatial Different Analysis of Land Use/Landcover Change And Human Impact In Typical Oasisin Arid Land.- The Potential Geographical Distribution of bactrocera Dorsalis (Diptera: Tephrididae) in China Based on Emergence Rate Model and Arcgis.- Construction Standard of Farmland Landscapeconstruction Standard of Farmland Landscape.- Application of GIS Combining With Limits of voronoi Diagram in Socioeconomic Factor of Agricultural Land Grading.- Effects of Lucc Resulting From Tffp Land Usepattern in the Yellow River Delta, China.- Definition of Management Zones of Soil Nutrientsbased on Fcm Algorithm in Oasis Field.- A Com-Gis Based Decision Tree Model Inagricultural Application.- Study on Soil Special Variability and Crops Optimal Layout Based on Gis in The West-Northern Plateau of Hebei Province.- Research and Application of Precision Fertilization on Maize.- Probabilistic Yield Forecast Based on Aproduction Process Model.- Potato Production as Affected by Crop Parameters and Meteoro Logical Elements.- Regression Models For Saffron Yields in Iran.- Grapsi_Draw Digital Psychrometric Chart.-…