Precision Agriculture '05 reflects the wide range of disciplines that impinge on precision agriculture.

Features:

• Technology, Crop Science, and Soil Science
• Agronomy, Information Technology, Decision Support, Remote Sensing

Contents

• Field effect transistors in precision agriculture
• A review of spectroscopic methods and their suitability as analytical techniques for farm testing
• Guidance and automated steering drive resurgence in precision farming
• Precision agriculture: the solution to control nutrient emissions
• Precision agriculture: a Western Australian perspective
• Spatial variability in weeds and pests
• Discrimination between nitrogen deficiency and fungal infection of winter wheat by laser induced fluorescence
• Site-specific identification of fungal infection and nitrogen deficiency in wheat crop using remote sensing
• Use of remote sensing within the optical and thermal spectral ranges in order to detect Septoria tritici on winter wheat
• Digital infrared thermography for the assessment of leaf pathogens
• Managing soilborne diseases in Australian field crops using precision agriculture and soil DNA tests
• Detection and mapping of Ridolfia segetum Moris patches in sunflower (Helianthus annuus L.) crop using remote sensing techniques
• Weed density prediction with secondary input of DEM information
• Feasibility of a real-time weed detection system using spectral reflectance
• Site-specific weed control using digital image analysis and georeferenced application maps: On-farm experiences
• Site specific weed control and spatial distribution of a weed seedbank
• Weed identification with chlorophyll fluorescence image analysis
• The sampling problem in weed control - are currently applied sampling strategies adequate for site-specific weed control
• Describing weed patches by shape parameters
• Development of an image analysis system for estimation of weed pressure
• Vision based detection of volunteer potatoes as weeds in sugar beet and cereal fields
• Spatial variability in crops
• Effect of travel speed on characterizing citrus canopy structure with a laser scanner
• Crop variability and resulting management effects
• Vehicle mounted sensors for estimating tiller density and leaf area index (LAI) of winter wheat
• Temporal prediction of nitrogen status in wheat under the influence of water deficiency using spectral and thermal information
• Measuring crop status using multivariate analysis of hyperspectral field reflectance with application to disease severity and plant density
• Analyses of spaceborne hyperspectral and directional CHRIS data to deliver crop status for precision agriculture
• Wheat yield population response to variable rate N fertilization strategies using active NDVI sensors
• In-field assessment of wheat-leaf polyphenolics using the new optical leaf-clip Dualex
• Application of hyperspectral canopy reflectance measurement and partial least square regression to predict within-field spatial variation in crop growth and nitrogen status before heading stage of rice
• Optimum waveband selection for determining the nitrogen uptake in winter wheat by active remote sensing
• Spatial variability of crop water stress in an olive grove with high-spatial thermal remote sensing imagery
• Laser-induced chlorophyll fluorescence sensing to determine biomass and nitrogen uptake of winter wheat under controlled environment and field conditions
• Digital infrared thermography for monitoring canopy health of wheat
• On-the-go detection of plant parameters by camera vision in rape
• Suitability of different crop parameters for the determination of site-specific nitrogen fertilizer demand
• Spatial relationships between soil amino sugar nitrogen, soil properties and landscape attributes
• A comparison of fertilizer strategies for spring barley (Hordeum vulgare L.) based on measured yield response to applied N on morainic soils in SE Norway
• Discriminating the effect of nitrogen and other environmental stresses on spatial variability of wheat yield in Mediterranean environments
• Evaluation of mapping and on-line nitrogen fertilizer application strategies in multi-year and multi-location static field trials for increasing nitrogen use efficiency of cereals
• Predicting variation in plant N-uptake in three fields using soil organic matter, texture and Near Infrared Reflectance (NIR) spectroscopy
• Providing operational nitrogen recommendations to farmers using satellite imagery
• Change in spatial variability structure of NDVI readings related to observation scale Cotton lint quality spatial variability and correlation with soil properties and yield
• Monitoring wheat protein content on-harvester - Australian experiences
• Prediction of within-field yield and protein variability in malting barley using canopy reflectance, thermal stress, and soil electrical conductivity
• Evaluation of an on-combine wheat protein analyzer on Montana hard red spring wheat
• Uniform potato quality with site-specific potassium application
• Evaluation of forage yield map techniques on a mowing-conditioning machine
• Yield determination in a mower conditioner by means of hydraulic pressure measurements
• Spatial variability in soils
• Physical background of soil EC mapping: laboratory, theoretical and field studies
• Using secondary information sources to improve the within-field soil textural mapping in a layered alluvial soil
• Spatial and temporal variability of soil properties with respect to relief information
• Prediction and spatial variability of soil dynamic properties in sugar cane fields of Sao Paulo State - Brazil
• An integrated system for mapping soil physical properties on-the-go: the mechanical sensing component
• Development of soil pH and lime requirement maps using on-the-go soil sensors
• Evaluation of the penetration resistance along a transect
• Comparison of geoelectrical methods for soil mapping
• Mobile TDR for geo-referenced measurement of soil water content and electrical conductivity
• Bulk density maps as affected by implementation of a depth control system during on-line measurement of soil compaction
• A real-time multi-spectral soil sensor: predictability of soil moisture and organic matter content in a small field Obtaining ‘useful’ high-resolution soil data from proximally-sensed electrical conductivity/resistivity (PSEC/R) surveys
• Field measurements of soil pH and lime requirement using an on-the-go soil pH and lime requirement measurement system
• On-the-go sensor for measurement of dry bulk density referring to soil compaction
• Site-specific soil properties prediction using hyperspectral signatures of topsoil coverage and underground image by real-time soil spectrophotometer
• Topsoil mapping using hyperspectral airborne data and multivariate regression modeling
• Ground truth evaluation of 3D computer vision on non-rigid biological structures
• Measuring distribution accuracy of fertiliser using image analysis ISOBUS compatible implements in the project AGRIX
• Wireless sensor networks for precise Phytophthora decision support
• Economics of Lightbar and Auto-Guidance GPS Navigation Technologies
• Agricultural robots: an economic feasibility study
• A two-stage route planning system for autonomous agricultural vehicles
• A test facility for evaluating dynamic GPS accuracy
• Investigation of the accuracy of a machine vision based robotic micro-spray system
• Robotic agriculture - the future of agricultural mechanisation
• Development and test of an autonomous Christmas tree weeder
• Sensor-actuator integration in a commercial tractor for safe teleoperation and autonomous navigation
• Tractor-implement dynamic trajectory model for automated navigation applications
• Variable rate applicationTesting the viability of existing ground spread fertiliser spreaders to perform variable rate fertilisation
• Variable rate granular fertilization of citrus groves: spreader performance with single-tree prescription zones
• Design of a seeder to achieve highly uniform sowing patterns
• Variable dose rate application of herbicides using optical sensors
• Dynamic modeling of variable-rate granular applicator hydraulic flow control valve
• Spatial analysis and mapping
• Effect of interpolation methods and filtering on the quality of yieldmaps
• Maximum likelihood variograms for efficient prediction in precision agriculture
• Improving prediction of soil properties in precision agriculture by co-kriging with properties that are easily measured
• Multivariate geostatistics for assessing and predicting soil compaction
• Spatial relation between NDVI and grain yield: impact of spatial resolution and measurement device
• Yield mapping based on robust fitting paraboloid cones in butterfly and elliptic neighborhoods
• Spatial variability of the Illinois soil nitrogen test: implications for soil sampling
• How spatial and temporal variability can affect fertilization trial results
• A potential role of permanent soil variables and field topography to reveal scale dependence and the temporal persistence of soil water content spatial patterns
• Predicting dynamics of Chenopodium album in a four year crop rotation using site-specific weed control
• Time series analysis of high spatial resolution SPOT images for wheat growth monitoring
• Long term simulation of soil/crop interactions to estimate management zones and consequences for site specific nitrogen management considering water protection
• Using sensor information on drought stress for a site specific calibration of a wheat simulation model
• Combining soil-landscape and spatial-temporal variability of yield information to delineate site-specific management zones
• Topographical data for delineation of agricultural management zones
• Optimum N management using site-specific management zones
• Early season grain yield prediction using remote sensing and site-specific management zones
• A method to combine yield and quality maps to aid decision-making
• Multiple variable rate input application: a decision framework
• Extending Site-Specific Crop Management from individual fields to an entire farm
• Local response to nitrogen inputs: advancing SSCM within Australia
• FARMSTAR: an efficient decision support tool for near real time crop management from satellite images
• Precision viticulture
• Whole-of-vineyard experimentation: an improved basis for knowledge generation and decision making
• Generating benefits from Precision Viticulture through selective harvesting
• Obtaining grape yield maps and analysis of within-field variability in Raimat (Spain)
• A comparison of the spatial variability of vineyard yield in European and Australian production systems
• Combination of heterogeneous data sets in Precision Viticulture
• Vine parcel detection in aerial images combining textural and structural approaches
• Delineation of vine fields by segmentation of high resolution remote sensed images
• Precision irrigation
• The potential contribution of precision irrigation to water conservation
• Farm-scale testing of site-specific irrigation and nitrogen fertilization for cotton production in the Southern High Plains of Texas, USA
• Optimal water storage location and management zone delineation under variable subsurface drip irrigation
• Economic and environmental effects of precision agriculture
• Precision agriculture improves efficiency of nitrogen use and minimises its leaching at within-field to farm scales
• A key indicator for the assessment of spatially variable phosphorus fertilisation
• Evaluating the benefits from precision agriculture: the economics of meeting traceability requirements and environmental targets

Index

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