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Instituto Valenciano de Investigaciones Agrarias (IVIA)

Valencian Institute of Agricultural Research (IVIA)

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The IVIA, established in 1984 as heir of a long tradition of agricultural research beginning in 1881, is located at Moncada, 10 km northwards of Valencia, in the Mediterranean shore. It is an Autonomous Institution of the Valencian Government, attached to the Agriculture, Fisheries and Food Council. Its major aim is to promote scientific research and technological development in the Valencian Food and Agriculture sector. Nowadays, there are eight research departments in the IVIA:
  • Citriculture and other Fruit Trees
  • Horticulture
  • Rice
  • Plant Protection and Biotechnology
  • Biometry
  • Natural Resources
  • Postharvest
  • Agricultural Economics
More than 250 people are currently working in the Institute, 46 of which are scientists with permanent tenures. If you want to learn more about the IVIA history and functioning, please press this link

The IVIA group working in Soil Enzymology is integrated into the Department of Natural Resources, and is composed of the following scientific staff:

  • Fernando Pomares-García, PhD in Agronomy-Soil Science
  • María del Remedio Albiach-Vila, PhD in Biology-Biochemistry
  • Rodolfo Canet-Castelló, PhD in Biology-Biochemistry
  • María Estela-Solsona, BSc in Agronomy
  • Francisco Tarazona-Pascual, BSc in Agronomy
From its establishment on, the major lines of research of the Group have been:

  • Soil fertilization
  • Composting of different organic residues (MSW, sewage sludges, etc.)
  • Agricultural use of organic residues
  • Soil contamination and reclamation
  • Organic cropping
  • Integrated production
Our research on organic fertilization and, especially, on organic farming, clearly accounts for our interest on biological activity in soils. The consideration of soil as a complex system, in dynamic equilibrium, in which living beings play an essential role in the sustainment of its fertility, is one of the ideological foundations of any variety of organic management. Measurement of biological activity, in all the different kinds, is therefore key in every investigation on the various aspects shaping the organic management of agricultural soils. Especially in a system where nearly all fertilization depends on both biological nutrient fixation and further decomposition of produced or added organic matter, a deep knowledge of the nutrient cycles is undoubtedly crucial to obtain the highest yields possible. Determination of microbial biomass content and, particularly, the levels of different enzymatical activities is therefore a very useful tool in the diagnostic of fertility, both actual as potential, of a soil under organic cropping. Soil Enzymology may be very important as well to investigate different aspects of soil contamination and organic refuses management.

During the last years, our group has developed an intense activity of research, with projects funded by diverse agencies such as the European Community or the Spanish and Valencian Governments, and of teaching, with more than one hundred conferences. In the last year, from 21st to 26th of September, we organized the III Congress of the Spanish Society of Organic Cropping (SEAE), Fernando Pomares being Coordinator of the Organizer Comitee.

Our most relevant publications related with soil biological activity and enzimology are the following. If you are interested on getting any of these papers, please send us an email.
  • Albiach, R., Pomares, F. y Canet, R. 1996. Actividades enzimáticas como índices de la actividad biológica del suelo en huertos ecológicos de cítricos. Agricultura ecológica y desarrollo rural. Actas del II Congreso de la Sociedad Española de Agricultura Ecológica. Pamplona, 1996. pp. 405-412.
  • Herrero, O., Canet, R., Albiach, R. & Pomares, F. 1998. Enzymatical activities and content of mineral nitrogen in soil after the application of two rates of different organic products. Agrochimica, XLII:296-303.
  • Gómez, A., Albiach, R., Pomares, F. y Canet, R. 1998. Efecto del tipo de fertilización sobre la actividad biológica del suelo en reconversión a la agricultura ecológica. Una alternativa para el mundo rural del Tercer Milenio. Actas del III Congreso de la Sociedad Española de Agricultura Ecológica. Valencia, 21-26 de septiembre de 1998. pp. 231-238.
  • Roccuzzo, G., Pomares, F. Estela, M., Tarazona, F., Sala, M. O., Albiach, R., Campos, T., Diego, C., Borrás, V., Yuste, D. 1998. Calidad del suelo en huertos de cítricos ecológicos. Una alternativa para el mundo rural del Tercer Milenio. Actas del III Congreso de la Sociedad Española de Agricultura Ecológica. Valencia, 21-26 de septiembre de 1998. pp. 239-246.
  • Canet, R., Lopez-Real, J. M. and Beck, A. J. 1999. Overview of Polycyclic Aromatic Hydrocarbon Biodegradation by White-rot Fungi. Land Contamination & Reclamation, 7:191-197.
  • Albiach, R., Canet, R., Pomares, F. and Ingelmo, F. 1999. Structure, organic components and biological activity in citrus soils under organic and conventional management. Agrochimica, XLIII:235-242.
  • Albiach, R., Canet, R., Pomares, F. and Ingelmo, F. 2000. Microbial biomass content and enzymatic activities after the application of organic amendments to a horticultural soil. Bioresource Technology, 75:43-48.
  • Albiach, R., Canet, R., Pomares, F. and Ingelmo, F. 2000. Organic matter components, aggregate stability and biological activity in a horticultural soil fertilized with different rates of two sewage sludges during ten years. Bioresource Technology (in press).
Other relevant papers by our Group during these last years are listed below. If you are interested on getting any of these papers, please send us an email
  • Pomares, F. and P.F. Pratt, 1978. Recovery of N15 labeded fertilizer from manured and sludge-amended soil. Soil Sci. Soc. Amer. J. 42: 717-720.
  • Pomares, F. and P.F. Pratt, 1978. Value of manure and sewage sludge as N fertilizer. Agronomy J. 70: 1065-1069.
  • Pomares, F., F. Tarazona and J. Roca, 1987. Crop response to sewage sludges and mineral fertilizer as nitrogen sources. Fourth International Symposium of CIEC on Agricultural Waste Management and Environmental Protection. Braunschweig-Volkenrode. 393-401.
  • Monzo, J., F. Pomares and M. De La Guardia, 1987. Spectrophotometric determination of boron previous distillation and hydrolysis of the methyl boric ester. Analyst, 113: 1069-1072.
  • Morales, A., F. Pomares and M. De La Guardia, 1989. Determination of cadmium, copper, iron, manganese, lead and zinc in sewage sludges with prior acid digestion in a microwave oven and slurry introduction. Journal of Analytical Atomic Spectrometry, 4: 329-332.
  • Roca, J. and F. Pomares, 1989. Soil and plant heavy metals in sewage sludges amended crop-land. Alternative Uses for Sewage Sludge International Workshop. University of York. 7-20.
  • Gimeno, M.C., F. Pomares and M. De La Guardia, 1990. Determination of total heavy metals in sewage sludges after a pressurized acid digestion. Microchemical Journal, 42:274-282.
  • Roca, J. and F. Pomares, 1991. Prediction of Available Heavy Metals by Six Chemical Extractants in a Sewage Sludge-Amended Soil. Communications in Soil Science and Plant Analysis. 22:2119- 2136.
  • Serna, M.D. and F. Pomares, 1991. Indexes of Assessing N Availability in Sewage Sludges. Plant and Soil, 139:15-21.
  • Serna, M.D. and F. Pomares, 1991. Comparison of Biological and Chemical Methods to Predict Nitrogen Mineralization in Animal Wastes. Biology and Fertility of Soils, 12: 89-94.
  • Pomares, F., F. Tarazona and M. Estela, 1992. Effect of Different Nitrogen Sources and Application on Citrus Groves. Agrochimica, 37:243-252.
  • Pomares, F., F. Tarazona, M. Estela, R. Bartual and L. Arciniaga, 1992. Response of Globe Artichoke to Nitrogen, Phosphorous and Potassium Fertilizer. Agrochimica, 37:111-121.
  • Serna, M.D., and F. Pomares, 1992. Nitrogen Mineralization of Sludge-Amended Soil. Bioresource Technology, 39:285-290.
  • Serna, M. D. and F. Pomares, 1992. Evaluation of Chemical Indices of Soil Organic Nitrogen Availability in Calcareous Soils. Soil Sci. Soc. Am. J., 56:1486-1491.
  • Serna, M.D. and Pomares, F., 1993. Biological and chemical methods to predict nitrogen mineralization in organic wastes. Comm. Soil Sci. and Plant Analysis, 24:1833-1844.
  • Canet, R. and Pomares, F., 1995. Evolution of physical, chemical and physico-chemical parameters in the composting of urban solid wastes in two recycling plants at Valencia. Bioresource Technology, 51:259-264.
  • Canet, R, Pomares, F. and Tarazona, F., 1997. Chemical extractability and availability of heavy metals after a seven years application of organic wastes to a citrus soil. Soil Use and Management, 13:117-121.
  • Ingelmo, F., Canet, R., Ibañez, A., Pomares, F. and García, J., 1997. Use of MSW compost dried sewage sludge and other wastes as partial substitutes for peat and soil. Bioresource Technology, 63:123-129.
  • Canet, R., Pomares, F., Tarazona, F. and Estela, M. 1998. Sequential fractionation and plant availability of heavy metals as affected by sewage sludge applications to soil. Commun. Soil. Sci. Plant Anal., 29:697-716.

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