Aguilar, M. A., Pozo, J. L., Aguilar, F. J., Sanchez-Hermosilla, J., Páez, F. C. and Negreiros, J. 2008. 3D surface modelling of tomato plants using close-range photogrammetry. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Beijing., Vol. XXXVII.
Balsari, P. and Tamagnone, M. 1998. An ultrasonic airblast sprayer. Proceedings of the International Conference on Agricultural Engineering. 585-586.
Byers, R., Hickey, K. and Hill, C. 1971. Base gallonage per acre. Virginia Fruit, 60: 19-23.
Campoy, J., Gonzalez-Mora, J. and Dima, C. 2010. Advanced sensing for tree canopy modeling and precision spraying. ASABE Technical Library, Paper Number: 1009470.
Chueca, P., Garcera, C., Molto, E. and Gutierrez, A. 2008. Development of a sensor-controlled sprayer for applying low-volume bait treatments. Crop Protection: 27, 1373-1379.
Doruchowski, G. and Holownicki, R. 2000. Environmentally friendly spray techniques for tree crops. Crop Protection, 19, 617-622.
Escolà, A., Camp, F., Solanelles, F., Llorens, J., Planas, S., Rosell, J. R., Gràcia, F., Gil, E. and Val, L. 2007. Variable dose rate sprayer prototype for dose adjustment in tree crops according to canopy characteristics measured with ultrasonic and laser lidar sensor. AGL2002-04260-C04 Research Project.
Escolà, A., Solanelles, F., Planas, S. and Rosell, J. R. 2002. Electronic control system for proportional spray application to the canopy volume in tree crops. proceedings of European Agricultural Engineering Conference. Paper 02-AE-010. Budapest, Hungary.
Furness, G. 2003. Distance calibration and a new pesticide label format for fruit trees and grapevines in Australia. Proceedings VII Workshop on Spray Application Techniques in Fruit Growing. 293-303.
Furness, G., Magarey, P., Miller, P. and Drew, H. 1998. Fruit tree and vine sprayer calibration based on canopy size and length of row: unit canopy row method. Crop Protection, 17: 639-644.
Gil, E., Bernat, C., Queralto´, M., Lo´ Pez, A., Planas, S., Rosell, J. and Val, L. 2005. Pesticide dose adjustment in vineyard: relationship between crop characteristics and quality of the application. Proceedings of the Eighth Workshop on Spray Application Techniques in Fruit Growing. Barcelona, Spain., 29-36.
Gil, E., Llorens, J. and Llop, J. 2009. Precision viticulture: use of new technologies to improve efficiency in spray applications in vineyard. CIGR Proceedings, Technology and Management to Increase the Efficiency in Sustainable Agricultural Systems, Rosario, Argentina.
Gil, E., Rosell, J., Planas, S. and Val, L. 2007. Variable rate application of plant protection products in vineyard using ultrasonic sensors. Crop Protection, 26: 1287-1297.
Giles, D., Delwiche, M. and Dodd, R. 1987. Control of orchard spraying based on electronic sensing of target characteristics. Transactions of the ASAE, 30: 1624-1630.
Giles, D., Delwiche, M. and Dodd, R. 1989. Sprayer control by sensing orchard crop characteristics: orchard architecture and spray liquid savings. Journal of Agricultural Engineering Research, 43: 271-289.
Giles, D. K., J., D. M. and Dodd, R. B. 1988. Electronic measurement of tree canopy volume. Transactions of the ASAE, 31: 264-272.
Godyn, A., Doruchowski, G., Holownicki, R. and Swiechowski, W. 2005. A method for verification of spray volume adapted to crop structure in orchards. Proceedings of the Eighth Workshop on Spray Application Techniques in Fruit Growing. Barcelona, Spain, 17-22.
Hahn, F. and Muir, A. 1993. Weed-crop discrimination by optical reflectance. Proceedings of the International Conference on Fruit, Nut and Vegetable Production Engineering, Valencia-Zaragoza, Spain, 221-228.
Jiaqiang, Z., Hongping, Z., Youlin, X., Maocheng, Z., Huichun, Z., Yufeng, G., Haitao, X. and Yong, C. 2005. Toward-target precision pesticide application and its system design. Transactions of The Chinese Society of Agricultural Engineering, 11: 014.
Koch, H., Weisser, P., Cross, J., Gilbert, A., Glass, C., Taylor, W., Walklate, P. and Western, N. 2000. Sensor equipped orchard spraying-efficacy, savings and drift reduction. Pesticide application, University of Surrey, Guildford, UK, 17-18 January. 357-362.
Landers, A., Muise, B., Balsari, P., Carpenter, P., Cooper, S., Glass, C., Magri, B., Mountford-Smith, C., Robinson, T. and Stock, D. 2010. The development of an automatic precision canopy sprayer for fruit crops. International Advances in Pesticide Application, Cambridge, UK, 5-7 January. Association of Applied Biologists, 29-34.
Llorens Calveras, J., Gil Moya, E. and Llop, J. 2011. Ultrasonic and LIDAR sensors for electronic canopy characterization in vineyards: advances to improve pesticide application methods. Sensors, 11: 2177-2194.
Maghsoudi, H. 2013. Variable rate orchard sprayer with mechatronic target detectin system using ultrasonic sensors. Ph. D Dissertation, Tarbiat Modares University.
Maghsoudi, H. and Minaei, S. 2013. Variable rate spraying: a methodology for sustainable development. The 1st national conference on solutions to access sustainable development in agriculture,natural resources and the environment, Iran (Tehran) In Farsi.
Mcconnell, R., Elliot, K., Blizzard, S. and Koster, K. 1983. Electronic measurement of tree-row-volume. National Conference on Agricultural Electronics Applications, Hyatt Regency Illinois Center, Chicago, Ill. (USA), 11-13 Dec. American Society of Agricultural Engineers.
Mohammadzamani, D., Minaei, S., Alimardani, R., Almassi, M., Rashidi, M. and Norouzpour, H. 2009a. Variable rate herbicide application using the global positioning system for generating a digital management map. International Journal of Agriculture and Biology, 11: 178-182.
Mohammadzamani, D., Minaei, S., Alimardani, R., Almassi, M. and Shafikhany, H. 2009b. Generating a digital management map using GPS for herbicide application by VRA spraying. Journal of Agricultural Engineering Research (In Farsi), 10: 29-44.
Mohammadzamani, D., Minaei, S., Alimardani, R., Almassi, M. and Yusefi, R. 2011. Evaluation and comparison of geostatistical methods for generating digital management map of Cyanazine variable rate Application. Journal of Agricultural Machinery Engineering. 1 (2): 62-73.
Moltó, E., Martı́n, B. and Gutiérrez, A. 2000. PM‒Power and Machinery: Design and testing of an automatic machine for spraying at a constant distance from the tree canopy. Journal of Agricultural Engineering Research, 77: 379-384.
Moltó, E., Martı́N, B. and Gutiérrez, A. 2001. PM‒Power and Machinery: Pesticide loss reduction by automatic adaptation of spraying on globular trees. Journal of Agricultural Engineering Research, 78: 35-41.
Pergher, G. and Petris, R. 2008. Pesticide dose adjustment in vineyard spraying and potential for dose reduction. Agricultural Engineering International: the CIGR Ejournal. May. Vol. X., 1-9.
Perry, R. and Cordero, R. 1995. Sensor controlled orchard sprayers. Proceedings of the National Conference on Pesticide Application Technology, Guelph, Canada 164-171.
Planas, S., Rosell K. R., Gil E., Monterola L. and Escola, A. 2006. Optimizing pesticide spray application in tree crops. ASAE Annual Meeting.
Rosell, J.R., Sanz, R., Llorens, J., Arnó, J., Ribes-Dasi, M., Masip, J., Camp, F., Gràcia, F., Solanelles, F. and Pallejà, T. 2009. A tractor-mounted scanning LIDAR for the non-destructive measurement of vegetative volume and surface area of tree-row plantations: A comparison with conventional destructive measurements. Biosystems Engineering, 102: 128-134.
Sanz, R., Palacin, J., Sisó, J., Ribes-Dasi, M., Masip, J., Arnó, J., Llorens, J., Vallés, J. and Rosell, J. 2004. Advances in the measurement of structural characteristics of plants with a LIDAR scanner. International Conference on Agricultural Engineering, Leuven (Belgium). Book of Abstracts of the AgEng 2004 Conference, 400-401.
Schumann, A. and Zaman, Q. 2005. Software development for real-time ultrasonic mapping of tree canopy size. Computers and Electronics in Agriculture, 47, 25-40.
Siegfried, W., Viret, O., Huber, B. and Wohlhauser, R. 2007. Dosage of plant protection products adapted to leaf area index in viticulture. Crop Protection, 26: 73-82.
Singh, S. 2004. Autonomous robotic vehicle for greenhouse spraying. University of Florida.
Solanelles, F., Planas, S., Escola, A. and Rosell, J. 2002. Spray application efficiency of an electronic control system for proportional application to the canopy volume. Aspects of Applied Biology, 66: 139-146.
Solanelles, F., Planas, S., Rosell, J., Camp, F. and Gràcia, F. 2006. An electronic control system for pesticide application proportional to the canopy width of tree crops. Biosystems Engineering, 95: 473-481.
Stajnko, D., Berk, P., Lešnik, M., Jejčič, V., Lakota, M., Štrancar, A., Hočevar, M. and Rakun, J. 2012. Programmable ultrasonic sensing system for targeted spraying in orchards. Sensors, 12: 15500-15519.
Stover, E. 2007. Sensor-controlled spray systems for florida citrus. University of Florida.
Travis, J., Skroch, W. and Sutton, T. 1987. Effect of canopy density on pesticide deposition and nozzle arrangement on deposition and distribution of pesticides in apple trees. Plant Disease, 71: 606-612.
Tumbo, S., Salyani, M., Whitney, J., Wheaton, T. and Miller, W. 2002. Investigation of laser and ultrasonic ranging sensors for measurements of citrus canopy volume. Applied Engineering in Agriculture, 18: 367-372.
Van De Zande, D., Hoet, W., Jonckheere, I., Van Aardt, J. and Coppin, P. 2006. Influence of measurement set-up of ground-based LIDAR for derivation of tree structure. Agricultural and Forest Meteorology, 141: 147-160.
Viret, O., Siegfried, W. and Wohlhauser, R. 2005. Crop adapted spraying in viticulture. Leaf volume dependant fungicide dosage for a precise and ecological application. Book of Abstracts, 8th workshop on spray application techniques in fruit growing, Barcelona, 23-26.
Walklate, P., Cross, J., Richardson, G., Baker, D. and Murray, R. 2003. A generic method of pesticide dose expression: Application to broadcast spraying of apple trees. Annals of applied Biology, 143: 11-23.
Walklate, P., Cross, J., Richardson, G., Murray, R. and Baker, D. 2002. Comparison of different spray volume deposition models using lIDAR measurements of apple orchards. Biosystems Engineering, 82: 253-267.
Walklate, P., Richardson, G., Cross, J., Murray, R., Gilbert, A., Glass, C., Taylor, W. and Western, N. 2000. Relationship between orchard tree crop structure and performance characteristics of an axial fan sprayer. Pesticide application, University of Surrey, Guildford, UK, 17-18 January. 285-292.
Wangler, R. J., Flower, K. L., Mcconnell, R.E. and Robert, E. 1992. Object sensor and method for use in controlling an agricultural sprayer. Schwartz Electro-Optics, Inc. Orlando, Fla. U. S. Patent No. 5278423.
Wei, J. and Salyani, M. 2004. Development of a laser scanner for measuring tree canopy characteristics Phase 1. Prototype development. Transactions of the ASAE, 47: 2101-2107.
Xiongkui, H., Aijun, Z., Yajia, L. and Jianli, S. 2011. Precision orchard sprayer based on automatically infrared target detecting and electrostatic spraying techniques. International Journal of Agricultural and Biological Engineering, 4: 35-40.
Zhu, H., Dorner, J., Rowland, D., Derksen, R. and Ozkan, H. 2004). Spray penetration into peanut canopies with hydraulic nozzle tips. Biosystems Engineering, 87: 275-283.