Precision agriculture '07: papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007
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| Language: | English |
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Wageningen
Wageningen Acad. Publ.
2007
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| Online Access: | Inhaltsverzeichnis |
| Physical Description: | 876 S. Ill., graph. Darst., Kt. |
| ISBN: | 9789086860241 |
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| 245 | 1 | 0 | |a Precision agriculture '07 |b papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 |c ed. by J. V. Stafford |
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| adam_text | Table of contents
Editorial 19
John V Stafford
Section 1 - Keynotes 21
A systems view of agricultural robots 23
B.S. Blackmore
Precision agriculture for arable crops in the United Kingdom 33
R.J. Godwin
Farmer trials and experience prove the adoption of precision agriculture technologies is
profitable in Western Australia (WA) 49
I.R. Maling, M. Adams, M. Robertson, B. Isbister and W.J. Bowden
How wireless will change agriculture 57
G. Vellidis, V. Garrick, S. Pocknee, C. Perry, C. Kvien and M. Tucker
Section 2a - Spatial variability: soil 69
Soil spatial variability in small Greek apple orchards 71
K.D. Aggelopoulou, D. Pateras, S. Fountas, T.A. Gemtos and G.D. Nemos
Analysis of spatial soil moisture variation on a cracking clay soil for optimizing sprinkler
irrigation management 79
S.A. Al-Kufaishi, J.R. Jensen andJ. W. Sands
Influence of the pedo-climatic variability in Haute-Normandie (NW France) on the intra
field spatial variability on yields of wheat and oilseed rape 87
C. Duval, V. Debandt, J-P. Eveille, D. Mahieu, S. Taibi andJ-M. LLorens
Depth sounding with the EM38-detection of soil layering by inversion of apparent
electrical conductivity measurements 95
R. Gebbers, E. Luck and K. Heil
Anisotropy in spatial measurements of mouldboard plough draught 103
N.B. McLaughlin andD.R. Lapen
Classification of soil texture classes for on-the-go management of soil VIS-NIR spectra 109
A.M. Mouazen, R. Karoui, J. De Baerdemaeker andH. Ramon
The scale dependency of terrain attributes impacts their relationship to corn grain yield in
rolling landscapes 11 ~
EM. Pena-Yewtukhiw, J.A. Thompson andJ.H. Grove
On-line soil NIR spectroscopy: identification and treatment of spectra influenced by
variable probe distance and residue contamination 125
B. Stenberg, G. Rogstrand, E. Bolenius and J. Arvidsson
Precision agriculture 07
Mapping subsoil acidity and shallow soils across a field using information from yield
maps, geophysical sensing and the grower 133
M. T.F. Wong and S. Asseng
Section 2b - Spatial variability: crop 141
Nitrogen prediction in potato petioles based on spectral data and hyperspectral images 143
Y Cohen, Y Zusman, V. Alchanatis, Z. Dar, D. Bonfil, A. Zilberman, A. Karnieli, V.
Ostrovsky, A. Levi, R. Brikman and M. Shenker
Site-specific management of pH-induced iron chlorosis of maize 151
R.B. Ferguson, T. Kyaw, V.I. Adamchuk, D.D. Tarkahon and D.L. McCallister
Identification of site-specific anomalies of crop vigour using simulated endmembers for
spectral mixture analyses 157
J. Franke and G. Menz
Physically-based modeling of photosynthetic processes 165
T. Hank, N. Oppelt and W. Mauser
Non-contact measurement of the actual nitrogen status of winter wheat canopies by laser-
induced chlorophyll fluorescence 173
B. Limbrunner and F.-X. Maidl
Assessment of vertical variation of chlorophyll using hyperspectral, multi-angular imagery 181
N. Oppelt, T. Hank and W. Mauser
Comparison of narrow-band and broad-band vegetation indices for canopy chlorophyll
density estimation in sugar beet 189
M. Vincini, E. Frazzi and P. D Alessio
Section 2c - Spatial variability: analysis and mapping 197
A multivariate geostatistical approach to delineate areas at soil salinisation risk 199
A. Castrignano, G. Buttafuoco, R. Puddu and C. Fiorentino
Standardized variograms from ancillary for kriging soil data 207
R. Kerry and M.A. Oliver
A comparison of error propagation analysis techniques applied to agricultural models 215
M. Marinelli, R. Corner and G. Wright
Introducing Fuzzy Cognitive Maps for decision making in precision agriculture 223
Ath. Markinos, El. Papageorgiou, Chr. Stylios and Th. Gemtos
Evaluation of digital terrain models derived from data collected with RTK-GPS based
automatic steering systems using a high precision laser scanner 233
P.O. Noack, T. Muhr, M. Schonfelder, J. Kutschera, P. Hancock and T. Selige
10 Precision agriculture 07
Modeling for precision agriculture: how good is good enough, and how can we tell? 241
E.J. Sadler, J. W. Jones andK.A. Suddtith
A technical opportunity index based on mathematical morphology for site-specific
management using yield monitor data: application to viticulture 249
B. Tisseyre and A.B. McBratnev
Geostatistical analysis of soil fertility data sampled in two consecutive years in Castilla,
Spain 257
S.R. Vieira, C. Escribano Villa, E. Vidal Vazquez and A. Paz Gonzalez
Farm-soil mapping using NIR-technique for increased sample point density 265
J. Wetterlind, B. Stenberg and M. Soderstrom
Section 2d - Spatial variability: yield and quality 271
A yield mapping system for hand-harvested fruits based on RFID and GPS location
technologies 273
Y. Ampatzidis, S. Vongioukas, D. Bochtis and C. Tsatsarelis
Yield variability as an index supporting management decisions: YIELDEX 281
R.P. de Oliveira, B. Whelan, A. McBratnev andj. Taylor
Estimation of yield maps using yield data from a few tracks of a combine harvester and
aerial images 289
H. Domsch, M. Heisig and K. Witzke
Quality mapping of field crops 297
A. Hetzroni, U. Zig, S. Warshavsky and S. Yosef
Evaluation of model-based site-specific nitrogen applications on wheat yield and
environmental quality 303
J. Link, W.D. Batchelor, S. Graeffand W. Claupein
Evaluation of site-specific N-fertilization strip trials in cereals taking account of spatial
correlation of yield data 309
H. Thole, C. Richter, B. Kroschewski and D. Ehlert
Section 3a - Technology: sensors 315
Assessment of laser rangefinder principles for measuring crop biomass 317
D. Ehlert, R. Adamek and H-J. Horn
Colour index evaluation method for plant segmentation from a soil background 325
M. Golzarian, J.M.A. Desbiolles and M.K. Lee
Depth determination of a wireless underground Soil Scout 333
M. Hautala andJ. Tiusanen
Precision agriculture 07 11
Influence of the sugar beet spatial arrangement on yield mapping of sugar beet using
UWB radar 341
M. Konstantinovic, S. Woeckel, P. Schulze hammers and J. Sachs
Improved adaptive detection of volunteer potato plants in sugar beet fields 349
A.T. Nieuwenhuizen, J.W. Hofstee, E.J. van Henten
Field specific overview of crops using UAV (Unmanned Aerial Vehicle) 357
A. Rydberg, M. Soderstrom, O. Hagner and T. Borjesson
Thermal imaging for estimating and mapping crop water stress in cotton 365
E. Sela, Y. Cohen, V. Alchanatis, Y. Saranga, S. Cohen, M. Moller, M. Meron, A. Bosak, J.
Tsipris and V. Orolov
Comparison of three active hand-held NDVI (normalized difference vegetation indices)
remote sensors for nitrogen management in corn 373
T.M. Shaver, D.G. Wes(fall and R. Khosla
Information integration between farm and processing facility 381
J.A. Thomasson. Y. Ge andR. Sni
Mobile measurement of canopy development and nitrogen status 389
A. Thomsen andK. Schelde
Wireless Soil Scout prototype radio signal quality compared to attenuation model 397
J. Tiusanen
Section 3b - Technology: application equipment 405
A patch-size index to assess machinery to match soil and crop spatial variability 407
H. W. Griepentrog, E. Thiessen, H. Kristensen and L. Kmtdsen
Development of a low-cost technique to measure the outlet velocity of fertiliser grains
from a rotary disc 415
Jiirgen Vangeyte, Paul Van Liedekerke and Bart Sonck
Section 3c - Technology: autonomous vehicles guidance 423
GPS-based auto-guidance test program development 425
V.I. Adamchnk, R.M. Hoy, G.E. Meyer and ME Kocher
People, robots and systemic decision making 433
B.S. Blackmore andC.P. Blackmore
Methodology for a labour extensive and semi-automated field trial design using
autoguidance and conventional machinery 441
R.N. Jorgensen, C.G. Sorensen, H.T. Sogaard, K. Kristensen. O. Green and S. Christensen
12 Precision agriculture 07
How Galileo improves farming: effects on existing and near future GNSS applications
and services in agriculture 449
K. Molenaar, D.A. van der Schans. T. van der Wai. T. Turecki and P. Trojdcek
Economic potential of robots for high value crops and landscape treatment 457
S.M. Pedersen, S. Fount as and S. Blackmore
Implications of topography on field coverage when using GPS-based guidance 465
T.S. Stombaugh, B.K. Koostra, C.R. Dillon, T.G. Mueller and A. C. Pike
Potential of controlled traffic farming with automatic guidance on an organic farm in the
Netherlands 473
G.D. Vermeulen, J. Mosquera, C. van der Wei, A. van der Klooster and J.W. Sieenhuizen
Path tracking control for autonomous tractors with reactive obstacle avoidance based on
evidence grids 483
S. Vougioukas
Section 4 - Weed pest detection control 491
Inter and intra-row mechanical weed control with rotating discs 493
A.P. Dedousis, RJ. Godwin, M.J. O Dogherty, N.D. TillettandA.C. Grundy
Continous mapping of Rumex obtusifolius during different grassland growths based on
automatic image classification and GIS-based post processing 499
S. Gebhardt and W. Kiihbauch
Simulation of perspective agronomic images for weed detection 507
G. Jones. Ch. Gee and F. Tnichetet
Early detection of leaf rust and powdery mildew infections on wheat leaves by PAM
fluorescence imaging 515
J. Kuckenberg, I. Tartachnvk. M. Sehmitz-Eiber-ger and G. Noga
Image acquisition for weed detection and identification by digital image analysis 523
M. Sokefeld, R. Gerhards, H. Oebel andR.-D. Therburg
Occurrence of fungal leaf pathogens in sugar beet fields monitored with digital infrared
thermography 529
/. Stenzel, U. Steiner, H.-W. Define andE.-C. Oerke
Feature extraction for the identification of weed species in digital images for the purpose
of site-specific weed control 537
M. Weisa and R. Gerhards
Section 5 - Precision horticulture viticulture 545
Test of NDVI information for a relevant vineyard zoning related to vine water status 547
C. Acevedo-Opazo, B. Tisseyre, S. Guillaume and H. Ojeda
Precision agriculture 07 13
Apple yield mapping using hyperspectral machine vision 555
V. Alchanatis, O. Safren, O. Levi and V. Ostrovsky
Variable dose rate sprayer prototype for tree crops based on sensor measured canopy
characteristics 563
A. Escola, F. Camp, F. Solanelles, J. Llorens, S. Planets, J.R. Rosell, F. Gratia and E. Gil
Tomato yield and quality prediction by using a calibrated, satellite-based, green
vegetation index (GVI) 573
^?. Ortega, A. Esser, A. Inostroza, andL. Jara
Grape berry calibration by computer vision using elliptical model fitting 581
G. Rabatel and C. Guizard
Modelling the variability of spray deposit on orchard structures 589
P.J. Walklate, J. V. Cross, G.M. Richardson andA.L. Harris
Section 6 - Management zones 597
Delineating management zones to apply site-specific irrigation in the Venice lagoon
watershed 599
M. Chiericati, F. Morari, L. Sartori, B. Ortiz, C. Perry and G. Vellidis
Site-specific management zones: seven years of research in the irrigated Western Great
Plains of the US 607
R. Khosla, D. Inman andD.G. West/all
Delineation of management zones for site-specific management of parasitic nematodes
using geostatistical analysis of measured field characteristics 615
B. Ortiz, D. Sullivan, C. Perry, G. Vellidis, L. Seymour and K. Rucker
Management zone delineation based on remotely-sensed data 625
P. Roudier, B. Tisseyre, H. Poilve andJ.-M. Roger
Section 7 - Remote sensing 633
Predicting chlorophyll meter readings with aerial hyperspectral remote sensing for in-
season site-specific nitrogen management of com 635
Y. Miao, D.J, Mulla, G. W. Randall, J.A. Vetsch and R. Vintila
Estimating rice shoot biomass and nitrogen concentration from hyperspectral canopy
reflectance data using the first derivative and multiple stepwise regression analyses 643
H.T. Nguyen, K.-J. Lee, J.-D. Fu, Y.-F. Yan andB.-W. Lee
Relationships between remote-sensed data, spatial distribution ofRidolfia segetum and
sunflower yield map, a preliminary approach 651
J.M. Pena-Barragdn, F. Lopez-Granados, M. Jurado-Exposito andL. Garcia-Torres
¦ 4 Precision agriculture 07
Use of reflectance measurements to determine the N demand of broccoli plants (Brassica
oleracea convar. botrytis war. italicd) 657
J. Pfenning, S. Graeff, W. Claupein, H.-P. Liebig
Spectral index for assessing heading timing of spring wheat grown under semi-arid
conditions 663
A. Pimstein, D.J. Bonfil, I. Mufradi and A. Kamieli
Section 8 - Variable application 671
Effects of N-Sensor based variable rate N fertilization on combine harvest 673
A. Feiffer, J. Jasper, P. Leithold and P. Feiffer
Variable-rate fertilizer application assessment using an as-applied methodology 681
J. Fulton, S. Shearer, S. Higgins, T. McDonald, C. Dillon and T. Stombaugh
The potential of precision recommendations for site-specific phosphorus, potassium
and lime applications 689
J.H. Grove andE.M. Pena-Yewtukhiw
Within-crop variability affecting variable N application to winter wheat 697
J. Kren, R. Smoldas, V. Lukas and P. Misa
Development and evaluation of an on-the-go visible and near infrared soil sensor-based
variable rate phosphorus fertilisation system 705
M.R. Maleki, A.M. Mouazen, B. De Ketelaere, H. Ramon andJ. De Baerdemaeker
Section 9 - Information management decision support 713
On-line co-ordination of combines and transport carts during harvesting operations 715
D. Bochtis, S. Vougioukas, Y. Ampatzidis and C. Tsatsarelis
Developing a learning mechanism for a spatial decision support system for medfly
control in citrus 723
A. Cohen, Y. Cohen, D. Broday, A. Hetzroni, V. Alchanatis, D. Timar and Y. Gazit
Testing decision rules for sowing and nitrogen fertilisation of cereals, at sites of high soil
variability- a GIS approach for on-farm research 731
D. DickeandS. Gebhardt
Precision timing and spatial allocation of economic fertilizer application considering
suitable field days 737
J. Gandonou and C.R. Dillon
Case study of on-farm trials, spatial analysis and farm management decision making 745
T.W. Griffin, C.L. Dobbins andJ. Lowenberg-DeBoer
Optimising data flows in precision agriculture using open geospatial web services 753
E. Nash, P. Korduan and R. Bill
Precision agriculture 07 i 5
Impact of precise radar rainfall information on the accuracy with which crop disease can
be modelled 761
J. Orensanz, D. Boisgontier, S. Strizyk and E. Moreau
Precision agriculture adoption and the optimal location of technology providers in
Kentucky, USA 769
J.M. Shockley, C.R. Dillon and S. Saghaian
Economic benefits of neural network-generated site-specific decision rules for nitrogen
fertilization 775
P. Wagner and M. Schneider
Site-specific disease control in wheat by combining the CROP-Meter with the decision
support system proPlant 783
J. Wollny, K.-H. Dammer, B. Han, T. VolkandT. Wischke
Section 10 - Traceability 791
Stakeholder requirements for traceability systems 793
C.P. Gasparin, S. Peets, D.W.K. Blackburn and R.J. Godwin
RFID tags for identifying and verifying agrochemicals in traceability systems 801
S. Peets, C.P. Gasparin, D.W.K. Blackburn and R.J. Godwin
Section 11 - Profitability, adoption environment 809
Assessment of in-field heterogeneity for determination of the economic potential of
precision farming 811
S. Begiebing, M. Schneider, H. Bach and P. Wagner
Improved profitability via enhanced resolution of variable rate application management
in grain crop production 819
C.R. Dillon, S. Shearer, J. Fulton and S. Pitla
Profitability and uptake of nitrogen application system based on remote sensing on 90
commercial farms in the United Kingdom 827
S.J. Griffin
Evaluation of profitability across site-specific management zones in irrigated maize
production fields 835
D. Inman, R. Khosla, W.M. Frasier, D.G. Westfall andB. Koch
Adoption and perspective of precision fanning (PF) in Germany: results of several
surveys among the different agricultural target groups 843
M. Reichardt and C. Jiirgens
Incorporating economic criteria into the optimal delineation of management zones 851
D. Rogers, T. Ancev, A. McBratney andB. Minasny
I* Precision agriculture 07
Section 12 - Education and training 859
An educational workshop on the use of precision agriculture as a risk management tool 861
C.R. Dillon, T.S. Stombmigh, B. Kavrouz, J. Salim and B.K. Koostra
Keyword index 869
Authors index 873
Precision agriculture 07 17
|
| adam_txt |
Table of contents
Editorial 19
John V Stafford
Section 1 - Keynotes 21
A systems view of agricultural robots 23
B.S. Blackmore
Precision agriculture for arable crops in the United Kingdom 33
R.J. Godwin
Farmer trials and experience prove the adoption of precision agriculture technologies is
profitable in Western Australia (WA) 49
I.R. Maling, M. Adams, M. Robertson, B. Isbister and W.J. Bowden
How wireless will change agriculture 57
G. Vellidis, V. Garrick, S. Pocknee, C. Perry, C. Kvien and M. Tucker
Section 2a - Spatial variability: soil 69
Soil spatial variability in small Greek apple orchards 71
K.D. Aggelopoulou, D. Pateras, S. Fountas, T.A. Gemtos and G.D. Nemos
Analysis of spatial soil moisture variation on a cracking clay soil for optimizing sprinkler
irrigation management 79
S.A. Al-Kufaishi, J.R. Jensen andJ. W. Sands
Influence of the pedo-climatic variability in Haute-Normandie (NW France) on the intra
field spatial variability on yields of wheat and oilseed rape 87
C. Duval, V. Debandt, J-P. Eveille, D. Mahieu, S. Taibi andJ-M. LLorens
Depth sounding with the EM38-detection of soil layering by inversion of apparent
electrical conductivity measurements 95
R. Gebbers, E. Luck and K. Heil
Anisotropy in spatial measurements of mouldboard plough draught 103
N.B. McLaughlin andD.R. Lapen
Classification of soil texture classes for on-the-go management of soil VIS-NIR spectra 109
A.M. Mouazen, R. Karoui, J. De Baerdemaeker andH. Ramon
The scale dependency of terrain attributes impacts their relationship to corn grain yield in
rolling landscapes 11 ~
EM. Pena-Yewtukhiw, J.A. Thompson andJ.H. Grove
On-line soil NIR spectroscopy: identification and treatment of spectra influenced by
variable probe distance and residue contamination 125
B. Stenberg, G. Rogstrand, E. Bolenius and J. Arvidsson
Precision agriculture '07
Mapping subsoil acidity and shallow soils across a field using information from yield
maps, geophysical sensing and the grower 133
M. T.F. Wong and S. Asseng
Section 2b - Spatial variability: crop 141
Nitrogen prediction in potato petioles based on spectral data and hyperspectral images 143
Y Cohen, Y Zusman, V. Alchanatis, Z. Dar, D. Bonfil, A. Zilberman, A. Karnieli, V.
Ostrovsky, A. Levi, R. Brikman and M. Shenker
Site-specific management of pH-induced iron chlorosis of maize 151
R.B. Ferguson, T. Kyaw, V.I. Adamchuk, D.D. Tarkahon and D.L. McCallister
Identification of site-specific anomalies of crop vigour using simulated endmembers for
spectral mixture analyses 157
J. Franke and G. Menz
Physically-based modeling of photosynthetic processes 165
T. Hank, N. Oppelt and W. Mauser
Non-contact measurement of the actual nitrogen status of winter wheat canopies by laser-
induced chlorophyll fluorescence 173
B. Limbrunner and F.-X. Maidl
Assessment of vertical variation of chlorophyll using hyperspectral, multi-angular imagery 181
N. Oppelt, T. Hank and W. Mauser
Comparison of narrow-band and broad-band vegetation indices for canopy chlorophyll
density estimation in sugar beet 189
M. Vincini, E. Frazzi and P. D'Alessio
Section 2c - Spatial variability: analysis and mapping 197
A multivariate geostatistical approach to delineate areas at soil salinisation risk 199
A. Castrignano, G. Buttafuoco, R. Puddu and C. Fiorentino
Standardized variograms from ancillary for kriging soil data 207
R. Kerry and M.A. Oliver
A comparison of error propagation analysis techniques applied to agricultural models 215
M. Marinelli, R. Corner and G. Wright
Introducing Fuzzy Cognitive Maps for decision making in precision agriculture 223
Ath. Markinos, El. Papageorgiou, Chr. Stylios and Th. Gemtos
Evaluation of digital terrain models derived from data collected with RTK-GPS based
automatic steering systems using a high precision laser scanner 233
P.O. Noack, T. Muhr, M. Schonfelder, J. Kutschera, P. Hancock and T. Selige
10 Precision agriculture '07
Modeling for precision agriculture: how good is good enough, and how can we tell? 241
E.J. Sadler, J. W. Jones andK.A. Suddtith
A technical opportunity index based on mathematical morphology for site-specific
management using yield monitor data: application to viticulture 249
B. Tisseyre and A.B. McBratnev
Geostatistical analysis of soil fertility data sampled in two consecutive years in Castilla,
Spain 257
S.R. Vieira, C. Escribano Villa, E. Vidal Vazquez and A. Paz Gonzalez
Farm-soil mapping using NIR-technique for increased sample point density 265
J. Wetterlind, B. Stenberg and M. Soderstrom
Section 2d - Spatial variability: yield and quality 271
A yield mapping system for hand-harvested fruits based on RFID and GPS location
technologies 273
Y. Ampatzidis, S. Vongioukas, D. Bochtis and C. Tsatsarelis
Yield variability as an index supporting management decisions: YIELDEX 281
R.P. de Oliveira, B. Whelan, A. McBratnev andj. Taylor
Estimation of yield maps using yield data from a few tracks of a combine harvester and
aerial images 289
H. Domsch, M. Heisig and K. Witzke
Quality mapping of field crops 297
A. Hetzroni, U. Zig, S. Warshavsky and S. Yosef
Evaluation of model-based site-specific nitrogen applications on wheat yield and
environmental quality 303
J. Link, W.D. Batchelor, S. Graeffand W. Claupein
Evaluation of site-specific N-fertilization strip trials in cereals taking account of spatial
correlation of yield data 309
H. Thole, C. Richter, B. Kroschewski and D. Ehlert
Section 3a - Technology: sensors 315
Assessment of laser rangefinder principles for measuring crop biomass 317
D. Ehlert, R. Adamek and H-J. Horn
Colour index evaluation method for plant segmentation from a soil background 325
M. Golzarian, J.M.A. Desbiolles and M.K. Lee
Depth determination of a wireless underground Soil Scout 333
M. Hautala andJ. Tiusanen
Precision agriculture '07 11
Influence of the sugar beet spatial arrangement on yield mapping of sugar beet using
UWB radar 341
M. Konstantinovic, S. Woeckel, P. Schulze hammers and J. Sachs
Improved adaptive detection of volunteer potato plants in sugar beet fields 349
A.T. Nieuwenhuizen, J.W. Hofstee, E.J. van Henten
Field specific overview of crops using UAV (Unmanned Aerial Vehicle) 357
A. Rydberg, M. Soderstrom, O. Hagner and T. Borjesson
Thermal imaging for estimating and mapping crop water stress in cotton 365
E. Sela, Y. Cohen, V. Alchanatis, Y. Saranga, S. Cohen, M. Moller, M. Meron, A. Bosak, J.
Tsipris and V. Orolov
Comparison of three active hand-held NDVI (normalized difference vegetation indices)
remote sensors for nitrogen management in corn 373
T.M. Shaver, D.G. Wes(fall and R. Khosla
Information integration between farm and processing facility 381
J.A. Thomasson. Y. Ge andR. Sni
Mobile measurement of canopy development and nitrogen status 389
A. Thomsen andK. Schelde
Wireless Soil Scout prototype radio signal quality compared to attenuation model 397
J. Tiusanen
Section 3b - Technology: application equipment 405
A patch-size index to assess machinery to match soil and crop spatial variability 407
H. W. Griepentrog, E. Thiessen, H. Kristensen and L. Kmtdsen
Development of a low-cost technique to measure the outlet velocity of fertiliser grains
from a rotary disc 415
Jiirgen Vangeyte, Paul Van Liedekerke and Bart Sonck
Section 3c - Technology: autonomous vehicles guidance 423
GPS-based auto-guidance test program development 425
V.I. Adamchnk, R.M. Hoy, G.E. Meyer and ME Kocher
People, robots and systemic decision making 433
B.S. Blackmore andC.P. Blackmore
Methodology for a labour extensive and semi-automated field trial design using
autoguidance and conventional machinery 441
R.N. Jorgensen, C.G. Sorensen, H.T. Sogaard, K. Kristensen. O. Green and S. Christensen
12 Precision agriculture '07
How Galileo improves farming: effects on existing and near future GNSS applications
and services in agriculture 449
K. Molenaar, D.A. van der Schans. T. van der Wai. T. Turecki and P. Trojdcek
Economic potential of robots for high value crops and landscape treatment 457
S.M. Pedersen, S. Fount as and S. Blackmore
Implications of topography on field coverage when using GPS-based guidance 465
T.S. Stombaugh, B.K. Koostra, C.R. Dillon, T.G. Mueller and A. C. Pike
Potential of controlled traffic farming with automatic guidance on an organic farm in the
Netherlands 473
G.D. Vermeulen, J. Mosquera, C. van der Wei, A. van der Klooster and J.W. Sieenhuizen
Path tracking control for autonomous tractors with reactive obstacle avoidance based on
evidence grids 483
S. Vougioukas
Section 4 - Weed pest detection control 491
Inter and intra-row mechanical weed control with rotating discs 493
A.P. Dedousis, RJ. Godwin, M.J. O'Dogherty, N.D. TillettandA.C. Grundy
Continous mapping of Rumex obtusifolius during different grassland growths based on
automatic image classification and GIS-based post processing 499
S. Gebhardt and W. Kiihbauch
Simulation of perspective agronomic images for weed detection 507
G. Jones. Ch. Gee and F. Tnichetet
Early detection of leaf rust and powdery mildew infections on wheat leaves by PAM
fluorescence imaging 515
J. Kuckenberg, I. Tartachnvk. M. Sehmitz-Eiber-ger and G. Noga
Image acquisition for weed detection and identification by digital image analysis 523
M. Sokefeld, R. Gerhards, H. Oebel andR.-D. Therburg
Occurrence of fungal leaf pathogens in sugar beet fields monitored with digital infrared
thermography 529
/. Stenzel, U. Steiner, H.-W. Define andE.-C. Oerke
Feature extraction for the identification of weed species in digital images for the purpose
of site-specific weed control 537
M. Weisa and R. Gerhards
Section 5 - Precision horticulture viticulture 545
Test of NDVI information for a relevant vineyard zoning related to vine water status 547
C. Acevedo-Opazo, B. Tisseyre, S. Guillaume and H. Ojeda
Precision agriculture '07 13
Apple yield mapping using hyperspectral machine vision 555
V. Alchanatis, O. Safren, O. Levi and V. Ostrovsky
Variable dose rate sprayer prototype for tree crops based on sensor measured canopy
characteristics 563
A. Escola, F. Camp, F. Solanelles, J. Llorens, S. Planets, J.R. Rosell, F. Gratia and E. Gil
Tomato yield and quality prediction by using a calibrated, satellite-based, green
vegetation index (GVI) 573
^?. Ortega, A. Esser, A. Inostroza, andL. Jara
Grape berry calibration by computer vision using elliptical model fitting 581
G. Rabatel and C. Guizard
Modelling the variability of spray deposit on orchard structures 589
P.J. Walklate, J. V. Cross, G.M. Richardson andA.L. Harris
Section 6 - Management zones 597
Delineating management zones to apply site-specific irrigation in the Venice lagoon
watershed 599
M. Chiericati, F. Morari, L. Sartori, B. Ortiz, C. Perry and G. Vellidis
Site-specific management zones: seven years of research in the irrigated Western Great
Plains of the US 607
R. Khosla, D. Inman andD.G. West/all
Delineation of management zones for site-specific management of parasitic nematodes
using geostatistical analysis of measured field characteristics 615
B. Ortiz, D. Sullivan, C. Perry, G. Vellidis, L. Seymour and K. Rucker
Management zone delineation based on remotely-sensed data 625
P. Roudier, B. Tisseyre, H. Poilve andJ.-M. Roger
Section 7 - Remote sensing 633
Predicting chlorophyll meter readings with aerial hyperspectral remote sensing for in-
season site-specific nitrogen management of com 635
Y. Miao, D.J, Mulla, G. W. Randall, J.A. Vetsch and R. Vintila
Estimating rice shoot biomass and nitrogen concentration from hyperspectral canopy
reflectance data using the first derivative and multiple stepwise regression analyses 643
H.T. Nguyen, K.-J. Lee, J.-D. Fu, Y.-F. Yan andB.-W. Lee
Relationships between remote-sensed data, spatial distribution ofRidolfia segetum and
sunflower yield map, a preliminary approach 651
J.M. Pena-Barragdn, F. Lopez-Granados, M. Jurado-Exposito andL. Garcia-Torres
¦ 4 Precision agriculture'07
Use of reflectance measurements to determine the N demand of broccoli plants (Brassica
oleracea convar. botrytis war. italicd) 657
J. Pfenning, S. Graeff, W. Claupein, H.-P. Liebig
Spectral index for assessing heading timing of spring wheat grown under semi-arid
conditions 663
A. Pimstein, D.J. Bonfil, I. Mufradi and A. Kamieli
Section 8 - Variable application 671
Effects of N-Sensor based variable rate N fertilization on combine harvest 673
A. Feiffer, J. Jasper, P. Leithold and P. Feiffer
Variable-rate fertilizer application assessment using an as-applied methodology 681
J. Fulton, S. Shearer, S. Higgins, T. McDonald, C. Dillon and T. Stombaugh
The potential of "precision" recommendations for site-specific phosphorus, potassium
and lime applications 689
J.H. Grove andE.M. Pena-Yewtukhiw
Within-crop variability affecting variable N application to winter wheat 697
J. Kren, R. Smoldas, V. Lukas and P. Misa
Development and evaluation of an on-the-go visible and near infrared soil sensor-based
variable rate phosphorus fertilisation system 705
M.R. Maleki, A.M. Mouazen, B. De Ketelaere, H. Ramon andJ. De Baerdemaeker
Section 9 - Information management decision support 713
On-line co-ordination of combines and transport carts during harvesting operations 715
D. Bochtis, S. Vougioukas, Y. Ampatzidis and C. Tsatsarelis
Developing a learning mechanism for a spatial decision support system for medfly
control in citrus 723
A. Cohen, Y. Cohen, D. Broday, A. Hetzroni, V. Alchanatis, D. Timar and Y. Gazit
Testing decision rules for sowing and nitrogen fertilisation of cereals, at sites of high soil
variability- a GIS approach for on-farm research 731
D. DickeandS. Gebhardt
Precision timing and spatial allocation of economic fertilizer application considering
suitable field days 737
J. Gandonou and C.R. Dillon
Case study of on-farm trials, spatial analysis and farm management decision making 745
T.W. Griffin, C.L. Dobbins andJ. Lowenberg-DeBoer
Optimising data flows in precision agriculture using open geospatial web services 753
E. Nash, P. Korduan and R. Bill
Precision agriculture '07 i 5
Impact of precise radar rainfall information on the accuracy with which crop disease can
be modelled 761
J. Orensanz, D. Boisgontier, S. Strizyk and E. Moreau
Precision agriculture adoption and the optimal location of technology providers in
Kentucky, USA 769
J.M. Shockley, C.R. Dillon and S. Saghaian
Economic benefits of neural network-generated site-specific decision rules for nitrogen
fertilization 775
P. Wagner and M. Schneider
Site-specific disease control in wheat by combining the CROP-Meter with the decision
support system proPlant 783
J. Wollny, K.-H. Dammer, B. Han, T. VolkandT. Wischke
Section 10 - Traceability 791
Stakeholder requirements for traceability systems 793
C.P. Gasparin, S. Peets, D.W.K. Blackburn and R.J. Godwin
RFID tags for identifying and verifying agrochemicals in traceability systems 801
S. Peets, C.P. Gasparin, D.W.K. Blackburn and R.J. Godwin
Section 11 - Profitability, adoption environment 809
Assessment of in-field heterogeneity for determination of the economic potential of
precision farming 811
S. Begiebing, M. Schneider, H. Bach and P. Wagner
Improved profitability via enhanced resolution of variable rate application management
in grain crop production 819
C.R. Dillon, S. Shearer, J. Fulton and S. Pitla
Profitability and uptake of nitrogen application system based on remote sensing on 90
commercial farms in the United Kingdom 827
S.J. Griffin
Evaluation of profitability across site-specific management zones in irrigated maize
production fields 835
D. Inman, R. Khosla, W.M. Frasier, D.G. Westfall andB. Koch
Adoption and perspective of precision fanning (PF) in Germany: results of several
surveys among the different agricultural target groups 843
M. Reichardt and C. Jiirgens
Incorporating economic criteria into the optimal delineation of management zones 851
D. Rogers, T. Ancev, A. McBratney andB. Minasny
I* Precision agriculture '07
Section 12 - Education and training 859
An educational workshop on the use of precision agriculture as a risk management tool 861
C.R. Dillon, T.S. Stombmigh, B. Kavrouz, J. Salim and B.K. Koostra
Keyword index 869
Authors index 873
Precision agriculture'07 17 |
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| spelling | Precision agriculture '07 papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 ed. by J. V. Stafford Wageningen Wageningen Acad. Publ. 2007 876 S. Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Agriculture de précision - Congrès ram Präzisionslandwirtschaft swd Skiathos <2007> swd (DE-588)1071861417 Konferenzschrift gnd-content Stafford, John V. Sonstige oth European Conference on Precision Agriculture 6 2007 Skiathos Sonstige (DE-588)6516495-7 oth HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016296110&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Precision agriculture '07 papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 Agriculture de précision - Congrès ram Präzisionslandwirtschaft swd |
| subject_GND | (DE-588)1071861417 |
| title | Precision agriculture '07 papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 |
| title_auth | Precision agriculture '07 papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 |
| title_exact_search | Precision agriculture '07 papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 |
| title_exact_search_txtP | Precision agriculture '07 papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 |
| title_full | Precision agriculture '07 papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 ed. by J. V. Stafford |
| title_fullStr | Precision agriculture '07 papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 ed. by J. V. Stafford |
| title_full_unstemmed | Precision agriculture '07 papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 ed. by J. V. Stafford |
| title_short | Precision agriculture '07 |
| title_sort | precision agriculture 07 papers presented at the 6th european conference on precision agriculture skiathos greece 3 6 june 2007 |
| title_sub | papers presented at the 6th European Conference on Precision Agriculture, Skiathos, Greece, 3 - 6 June 2007 |
| topic | Agriculture de précision - Congrès ram Präzisionslandwirtschaft swd |
| topic_facet | Agriculture de précision - Congrès Präzisionslandwirtschaft Skiathos <2007> Konferenzschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016296110&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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