Ingeniería Comercial USM



Ph.D. in Philosophy
Master of Science


Sustainable Agricultural Production
Precision Agriculture
Advanced Data Analytics


Coordinator, Research and Postgraduate Programs, Department of Commercial Engineering
Professor, Department of Commercial Engineering


Professional Certification Workshop II



Doctor of Philosophy, Colorado State University, USA


Professor and Research Fellow, Department of Commercial Engineering, Universidad Técnica Federico Santa María. He is the creator and Director of Research & Development (I&D) and of Centro Avanzado de Gestión, Innovación y Tecnología para la Agricultura (Advanced Center of Management, Innovation and Technology for Agriculture – CATA).


  • Ph.D. in Philosophy, Colorado State University, Colorado, USA.
  • Master of Science, Colorado State University, Colorado, USA.
  • BSc in Farming & Livestock Sciences, University of Concepción, Chile.
  • Agricultural Engineer, University of Concepción, Chile.


  • Martinez, M. Mercedes; Ortega, Rodrigo; Janssens, Marc, and Fincheira, Paola. Use of organic amendments in table grape: effect on plant root system and soil quality indicators. J. Soil Sci. Plant Nutr.18(1):100-113
  • Fincheira-Robles P., María Mercedes Martínez-Salgado, Rodrigo Ortega-Blu, Marc Janssens 2018. Indicadores de calidad de suelo en Uva de Mesa (vitis vitifera) bajo manejo Integrado de la Nutricion [Indicators of Soil Quality in Table Grapes vitis vitifera under Integrated Nutrition Management]. Scientia Agropecuaria 9(1): 17-24
  • Gutiérrez, Viviana; Ortega – Blu, Rodrigo; Molina – Roco, Mauricio; Martínez, María M. 2017. Efficiency of three buffers for extracting B-glucosidase enzyme in different soil orders: Evaluating the role of soil organic matter Scientia Agropecuaria 8(4): 419-429
  • Ortega, R. and Molina, M. 2016. Evaluation of vegetation indices and apparent soil electrical conductivity for site-specific vineyard management in Chile. Precision Agriculture. 17:434–450. (ISI)
  • Martínez, M., Ortega, M. Janssens, J. Angulo, and P. Fincheira. 2016. Selection of maturity indices for compost derived from grape pomace. Journal of Soil Science and Plant Nutrition, 2016, 16 (2), 262-267 (ISI).
  • Paola Fincheira-Robles;  María  Mercedes  Martínez-Salgado;  Rodrigo Ortega-Blu; Marc Janssens. 2016. Compost  and humic  substance  effects on  soil  parameters  of  Vitis  vinifera L cv Thompson seedless. Scientia Agropecuaria 7 (3): 291 – 296 (SCIELO)
  • Reyes, J.F., W. Esquivel, D. Cifuentes, Ortega. 2015. Field testing of an automatic control system for variable rate fertilizer application. Computers and Electronics in Agriculture 113:260–265. (ISI)
  • Janssens, H. Gaese, N. Keutgen, R. Ortega, J.C. Torrico, J. Pohlan. 2015. Integrating agricultural and environmental sustainability across generations: The never-ending quest for the golden fleece. Journal of Natural Resources and Development. Vol. 5, pp. 17-28. (SCOPUS)
  • Janssens, M., H. Gaese, N. Keutgen, Ortega, J.C. Torrico, J. Pohlan. 2014. Fundamentals of Agricultural Sustainability or the Quest for the Golden Fleece. Journal of Natural Resources and Development. Vol. 4, pp. 34-45. (SCOPUS).
  • Ortega, R. 2018. Using precision agriculture tools and improved data analysis for evaluating effects of integrated nutrient management programs. Proceedings of the 14th International Conference on Precision Agriculture, June 24-27, 2018. Montreal, Canada.
  • Ortega, R.A., Martinez, M.M., and Poblete H.P. 2016. Use of the Active Sensor Optrx to Measure Canopy Changes to Evaluate Foliar Treatments and to Identify Soil Quality in Table Grape. Proceedings of the 13th International Conference on Precision Agriculture, July 31 – August 4, 2016, St. Louis, Missouri, USA.
  • Ortega, R. 2015. Integrated nutrient management in conventional intensive horticulture production systems. Acta Hort. (ISHS) 1076:159-164.
  • Poblete, H., Martínez, M. and Ortega, R. 2015. Integrated plant nutrition on the recovery of a pear (Pyrus communis ‘Packam’s Triumph’) orchard. Acta Hort. (ISHS) 1076:179-186.
  • Torres, A.B., Molina, M. and Ortega, R. 2015. Growth and dry matter yield of maize (Zea mays l.) and ryegrass (Lolium perenne l.) plants as affected by the application of liquid and solid organic amendments in a Cu contaminated soil. Acta Hort. (ISHS) 1076:233-239.
  • Molina, M., Araya, M. and Ortega, R. 2015. Effect of the application of compost, compost-derived humic substances and vermicompost on Zn extractability and growth of walnut trees (Juglans regia) in an alkaline soil: first season. Acta Hort. (ISHS) 1076:241-247
  • Fincheira, P., Martínez, M., Ortega, R. and Parada, M. 2015. Effect of grape pomace on soil enzymatic activities and nutrients availability in vitis vinifera ‘Thompson seedless’ orchard. Acta Hort. (ISHS) 1076:151-156.
  • Flores, L., Martínez, M.M. and Ortega, R. 2015. Integrated nutrition program in cherry (Prunus avium l.) ‘Lapins’, in the VI region of Chile, based on soil bioinoculants and organic matter. Acta Hort. (ISHS) 1076:187-192.