Papers divided by research area, click the file format icon to download. Some papers abstract only is available, others link to abstract where full text can be found.

Precision Agriculture: Site Specific Data Management

 

Beal J. and L. Tian. (2000) Yield data processing to improve yield map data quality. Transactions of the ASAE, Vol. 17(3): 385–390.

 

Liu, J., C.E. Goering and L. Tian. (2001)  Neural network for setting target corn yields. Transactions of the ASAE, Vol. 44(3): 705–713.

 

Bullock, D.S. and D.G. Bullock. The economics of precision farming: a primer for agronomists designing experiments. 2nd European Conference on Precision Agriculture. Proceedings of the 2nd European Conference on Precision Agriculture, pp.937-946, Odense Congress Centre, Denmark

 

Bullock, D.S., D.G. Bullock and E. Nafziger. 1999. Variable rate seeding of maize in the Midwestern USA. Proceedings of the 2nd European Conference on Precision Agriculture, pp.749-757, Odense Congress Centre, Denmark

 

Bullock, D.G., D.S. Bullock, E.D. Nafziger, T.A. Peterson, P. Carter, T. Doerge, and S. Paszkiewicz. 1998. Does variable rate seeding of corn pay? Agron. J. 90:830-836

 

Bullock, D.S., N. Kitchen, D.G. Bullock. 2000. Lessons learned in corn/soybean collaborative research. Prec. Agric. In Press.

 

Gopalapillai, S. and L. Tian, (2000) Identification and mapping of weed density in a soybean field using DMS image. ASAE Paper No. 003058, (UILU No. 2000-7029).

 

Gotway, C.A., D.G. Bullock, F.J. Pierce, W.W. Stroup, G.W. Hergert, and K.M. Eskridge. 1997. Experimental design and statistical evaluation techniques for site specific management. pp 301-336. In F.J. Pierce, P.R. Robert, J. Sadler, and S. Searcy (ed.) The State of Site Specific Management for Agriculture. ASA, CSSA, and SSSA, Madison, WI.

 

Kravchenko, A., C. Boast, and D.G. Bullock. 1999. Multifractal analysis of soil spatial variability. Agron. J. 91:1033-1041.

 

Kravchenko, A. and D.G. Bullock. 1999. A comparative study of interpolation methods for mapping soil properties. Agron. J. 91:393-400.

 

Kravchenko, A. and D.G. Bullock. 2000. Correlation of corn and soybean grain yield with topography and soil properties. Agron. J. 92:75-83.

 

Kravchenko, A.N. and D.G. Bullock. 2001. Quantitative mapping of soil drainage classes using topographical data and soil electrical conductivity. Crop Sci. In Review.

 

Kravchenko, A.N. and D.G. Bullock. 2001. Spatial variability of soybean quality data as a function of field topography. Crop Sci. In Review.

 

Kravchenko, A.N., D.G. Bullock and C.W. Boast. 2000. Analyzing relationships between crop yield and terrain slope using theory of joint multifractal measures. Agron. J. 92:1279-1290.

 

Kravchenko, A.N., D.G. Bullock, and H.F. Reetz. 1999. Spatial variability of grain yield as a function of topography and soil properties. Proceedings of the 2nd European Conference on Precision Agriculture, pp.441-450, Odense Congress Centre, Denmark.

 

Yao, H. and L. Tian (2000) Aerial Hyperspectral image classification for weed map development. ASAE Paper No. 001095, (UILU No. 2000-7030). 

 

 

Variable-Rate Chemical Application Systems:

 

Anderson, L.L. and D.G. Bullock. 1998. Variable rate fertilizer application for corn and soybean. J. Plant Nutr. 21(7): 1335-1361.

GopalaPillai, S., L. Tian, and J. Zheng. 1999. Evaluation of a flow control system for site-specific herbicide application. Transactions of the ASAE 42(4): 863-870.

GopalaPillai, S., and L. Tian. 1997. An automatic control system for variable rate chemical application. ASAE paper no. 971050. ASAE St. Joseph, MI.

 

Lafferty C. L. and L. Tian (2000) Using CFD to determine the internal flow of agricultural chemical spray nozzles. Poster, ILASS Americas, 13th Annual Conference on Liquid Atomization and Spray Systems, San Diego, CA, May 2000.

 

Pillai, S. and L. Tian. (1997) Automatic spray control system for variable rate herbicide applications. ASAE paper 971050

 

Steward, B., L. Tian, and L. Tang. (2000) Real-distance control system for precision farming. AETC Poster No. 1.

 

Tang, L., B. Steward, and L. Tian. (1999) Experimental Study of a Machine Vision-Based Real-time Weed Sensing Patch-Sprayer. SAE Paper No. 99F-38, (UIUC-ENG-99-7009).

 

Tang, L., L. Tian, and B. Steward. (1999) High-resolution Weed Mapping and Selective Herbicide Application Simulation. AETC Poster No. 13.

 

Tang L., L. Tian and B. Steward (2000) Development of a low-cost machine vision-based selective sprayer. ASAE Paper No. 003064, (UILU No. 2000-7034).

Tang, L., L. F. Tian, B. L. Steward (1999) Machine Vision-Based High-resolution Weed Mapping And Patch-Sprayer Performance SimulationSAE SP-1417, Agricultural Machinery, Tires, Tracks, and Traction, pp.126-135. Warrendale, PA: SAE

 

Tian, L. (2001) Sensor-Based Precision Chemical Application System. Journal of Computers and Electronics in Agriculture: invited paper for special issue on “Information Technology for Agriculture and Precision Farming”. In press.

Tian, L., J.F. Reid, and J. Hummel. (1999) Development of a precision sprayer for site-specific weed management. Transactions of the ASAE Vol. 42(4): 893-900.

 

Tian, L. M. Su and Wassink. (1997) Development of a machine-vision controlled precision sprayer. ASAE paper 973055

 

Tian, L. L. Tang, and B. Steward (2000). Smart Sprayer Project – Sensor-Based Selective Herbicide Application System. SPIE 4203, Precision Agriculture and Biological Quality, Vol. 4203: 73-80.

 

Tian, L. and J. Zheng. (1999) Dynamic Deposition Pattern Study of Modulated Spraying. Transactions of the ASAE, Vol. 42(6):

 

Tian, L., J. Zheng, L. E. Bode. (1998) A Technique to Compare the Droplet Size Spectrum Deposited on Water Sensitive Papers and in Oil Cells. Proceedings of ILASS Americas, 11th Annual Conference on Liquid Atomization and Spray Systems, pp. 88 – 83. Sacramento, CA, May 1998.

 

Tian, L., Y. Zhou and L. Tang. (2000) Aided Guidance System with GPS and Optical Encoders for Smart Sprayer. ASAE Paper No. 003018, (UILU No. 2000-7034).

 

Verma, A. K., R. A. C. Cooke, L. Tian, M. C. Hirschi, and I. K. Mitchell. (1998) Using GIS and GPS for variable rate application of agri-chemicals. ASAE Paper No. 983063. 1998 International ASAE Meeting, July 12-15, Orlando, Florida.

 

Yao, H., L. F. Tian, L. Tang, and B. L. Steward. 1999. Smart sprayer performance simulation. ASAE Paper No. 99-1103, St. Joseph, MI.

 

Zheng, J. and L. Tian. (1998) Electrostatic Atomization Analysis. Proceedings of ILASS Americas, 11th Annual Conference on Liquid Atomization and Spray Systems, Sacramento, CA, May 1998

 

Sensing Systems for Precision Farming

 

Bajwa, S. G., P. Groves, and L. Tian. 2000. An application oriented hyperspectral data compression method for precision agriculture applications. Accepted for presentation at the 2001ASPRS annual meeting and conference at St. Louis, Missouri.

 

Bullock, D. G. and D.S. Anderson. 1998. Evaluation of the Minolta Spad-502 chlorophyll meter for nitrogen management in corn. J. Plant Nutr. 21(4):741-755.

GopalaPillai, S., and L. Tian. 1999. In-field variability detection and yield prediction in corn using digital aerial imaging. Transactions of the ASAE 42(6): 1911-1920.

 

Gopalapillai, S., L. Tian, C. Goering, and L. Tang. 2000. Identification and mapping of weed density in a soybean field using DMS images. ASAE paper no.003058. ASAE St. Joseph, MI.

 

GopalaPillai, S., L. Tian, and D. Bullock. 1999. Yield mapping with digital aerial color infrared (CIR) images. SAE Transactions: Journal of Commercial Vehicles 108(2): 303-316.

 

GopalaPillai, S., and L. Tian. 1999. Spatial yield analysis and modeling using aerial CIR images. ASAE paper no. 991151. ASAE St. Joseph, MI.

GopalaPillai, S. and L. Tian. 1999. Digital aerial imaging for near-real-time crop sensing and yield prediction. Presented at Agricultural Equipment Technology Conference, Feb.8-10 at Louisville, Kentucky. ASAE St. Joseph, MI.

 

GopalaPillai, S., L. Tian, and J. P. Beal. 1998. Aerial imaging to detect field nitrogen deficiency in corn. ASAE paper no. 983030. ASAE St Joseph, MI.

 

GopalaPillai, S., and L. Tian. 2000. CIR image calibration for cloud shadow and soil background influence using vegetative indices. Submitted for publication in Transactions of the ASAE.

 

GopalaPillai, S., and L. Tian. 2000. Modeling and mapping of spatial weed density within a Soybean field from aerial CIR images. Under review for publication in Transactions of the ASAE.

 

Noguchi, N., J. Reid, L. Tian, and A. Hansen. (1999) Vision intelligence for mobile agro-robotic system. Journal of Robotic and Machatronics. Vol. 11 (3): 193-199.

 

Noguchi, N., J. F. Reid, Q. Zhang, and L. Tian. (1998) Vision intelligence for precision farming using fuzzy logic optimized genetic algorithm and artificial neural network. ASAE Paper No. 983034, (UILU-ENG-98-7020).

Pillai, S. L. Tian, and J. Beal. (1998) Detection of nitrogen stress in corn using digital aerial imaging. ASAE Paper No. 983030 (UILU-ENG-98-7007)

 

Steward, B. and L. Tian. (1999) Performance study of new plant segmentation algorithms for outdoor variable-lighting conditions. Transactions of the ASAE, Vol. 42(6): 1897-1909.

 

Steward, B. and L. Tian (1998) Real-Time weed detection in outdoor field conditions. SPIE 3543, Precision Agriculture and Biological Quality, eds. J. A. DeShazer and G. E. Meyer, 266-278.

 

Steward, B. and L. Tian (1998) Weed detection in outdoor field conditions. International Symposium on Industry and Environmental Monitors and Biosensors. Paper 3543-30

Steward, B. and L. Tian (1998) Real-time machine vision weed detection. ASAE paper No. 983033 (UILU-ENG-98-7006)

Steward, B. L., L. Tian and L. Tang (1999) Detection of outdoor lighting variability for machine vision-based precision agriculture. ASAE Paper No. 993032 (UILU No. 99-7030).

 

Steward, B., L. Tian, L. Tang, and J.F. Reid. (1999) Image Segmentation for Real-time Outdoor Machine Vision Weed Detection. AETC Poster No. 14.

 

Su. M, L. Tian and J. F. Reid. (1997) Spatial-frequency analysis for detection of weed-infestation areas with the wavelet decomposition. ASAE paper 973133

Tang, L., L. Tian, B.L. Steward and J.F. Reid (1999) Color Image Segmentation with Genetic Algorithm for In-Field Weed SensingTo appear in Transactions of ASAE.

 

Tang, L., L. Tian, and B. Steward. (2000) GAHSI segmentation algorithm for outdoor image segmentation. Transactions of the ASAE, Vol. 43(4): 1019-1027.

Tang, L., L. Tian, B.L. Steward and J.F. Reid (1999) Texture-based weed classification using gabor wavelets and neural network for real-time selective herbicide applications. ASAE Paper No. 991151 (UILU No. 99-7035)

 

Tian, L. (1997) Aerial field sensing and mapping for precision farming. NAAA/ASAE Paper No. AA97-001.

 

Tian, L. (1997) Remote sensing and mapping for precision farming. Proceedings for the Illinois Pesticide Crop Protection Technology Conference. Pp. 155-156. Urbana, IL, January 6-8.

 

Tian, L. (2000) Sensor-based precision farming system. Proceedings of International Conference of Engineering Technology (Session 7). pp.163– 169. Beijing, China, Oct.2000.

 

Tian, L. (1998) Sensor development for precision farming. Proceedings for the International Workshop on Precision Farming. Pp. 14 – 16. Nov. 1 - 3, 1998. Omiya, Japan.

Tian, L. and D. C. Slaughter (1998) Environmentally adaptive segmentation algorithms for outdoor machine vision systems. Journal of Computers and Electronics in Agriculture. Vol. 21 (3):153-168

Tian, L., D. C. Slaughter and R. Norris. (1997) Outdoor field machine vision identification of tomato seedlings for automated weed control. Transactions of the ASAE, Vol. 40 (6): 1761-1768

 

Yao, H., L. Tian and Noguchi, N. (2000) Hyperspectral Imaging System Optimization and Image Processing. ASAE Paper No. 01-1105 (UILU No. 2001-7010).