Brenda Ortiz: Proceedings / Conference papers

• Ortiz, B. V., C. Perry D. G. Sullivan, B. Kemerait, A. Ziehl, R. F. Davis, G. Vellidis. 2008. Cotton Yield Response to Variable Rate Nematicides According to Risk Zones. In Proceedings of 2008 ASABE Annual International Meeting. Rhode Island, Providence 29 June – 3 July. 2008
  
  
• Ortiz, B. V., C. Perry D. G. Sullivan, B. Kemerait, A. Ziehl, R. F. Davis, G. Vellidis. 2008. Cotton Yield Response to Variable Rate Nematicides According to Risk Zones. In Proceedings of Beltwide Cotton Conference, Nashville, Tennessee, 8-11 Jan., 2008. PDF
  
  
• Ortiz, B. V., D. G. Sullivan, C. Perry, G. Vellidis. 2007. Integrated effects of root-knot nematode, fertility, and landscape features on cotton yield response. In Proceedings of World Cotton Research Conference. Lubbock, Texas. 10-14 Sep. 2007. (peer review paper). Invited.
  
  
• Ortiz, B. V., D. G. Sullivan, C. Perry, G. Vellidis. 2007. Spatial Variability of Root Knot Nematodes in Relation to Within Field Variability of Soil Properties. In Proceedings of 2007 ASABE Annual International Meeting. Minneapolis, MN. 17-20 Jun. 2007.
  
  
• Ortiz, B. V., D. G. Sullivan, C. Perry, G. Vellidis, L. Seymour, and K. Rucker. 2007. Delineation of management zones for site specific management of parasitic nematodes using geostatistical analysis of measured field characteristics. In: Stafford, J., and Werner, A. (Eds.), Proceedings of the Sixth European Conference on Precision Agriculture (6ECPA). Skiathos, Greece. 3-6 Jun. 2007. (peer reviewed paper). PDF
  
  
• Ortiz, B. V., D. G. Sullivan, C. Perry, and G. Vellidis. 2007. Geostatistical analysis of the spatial variability of cotton-parasitic nematodes and the factors favoring its occurrence. In Proceedings of Beltwide Cotton Conference, New Orleans, Louisiana. National Cotton Council. 9-12 Jan. 2007.
  
  
• Ortiz, B. V., D. G. Sullivan, C. Perry, and G. Vellidis. 2006. Geospatial solutions for precision management of cotton root knot nematodes. In Proceedings of 2006 ASABE Annual International Meeting Portland, OR. 9-12 Jul. 2006.
  
  
• Ortiz, B. V., 2003. Geostatistics: a tool for spatial variability of properties of soil analysis. In Proceedings of VI Colombian Congress of Sugarcane Technicians Association. Cali, Colombia. 24-26 Sep. 2003. 67-80 p.
  
  
• Palma, A., C. A. Luna, J. Carbonell, B. V. Ortiz. 1999. Classification of the natural conditions in sugarcane crops for a region in Colombia. In Proceedings of XXIII International Society of Sugarcane Technologist (ISSCT) Congress. India.

Extension Magazines

• Ortiz, B. V., G. Vellidis, C. Perry, D. G. Sullivan. 2007. Site-Specific Management for Root Knot Nematode in Cotton. Precision Ag. Guide: The University of Georgia – National Environmentally Sound Production Agriculture Laboratory. 12-13 p. PDF

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