Person: Enrique Martín, Alberto
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Enrique Martín
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Alberto
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Ciencias
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IS-FOOD. Research Institute on Innovation & Sustainable Development in Food Chain
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0000-0003-3404-7117
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Publication Open Access Soil water retention and soil compaction assessment in a regional-scale strategy to improve climate change adaptation of agriculture in Navarre, Spain(MDPI, 2021) Antón Sobejano, Rodrigo; Ruiz Sagaseta de Ilurdoz, Alberto; Orcaray Echeverría, Luis; Arricibita Videgain, Javier; Enrique Martín, Alberto; De Soto García, Isabel Sonsoles; Virto Quecedo, Íñigo; Zientziak; Institute on Innovation and Sustainable Development in Food Chain - ISFOOD; Ciencias; Universidad Pública de Navarra / Nafarroako Unibertsitate PublikoaThe aim of this study was to evaluate the effectiveness of the different agricultural management adaptive strategies considered in the framework of a regional climate change adaptation roadmap in Navarre (Spain), from the point of view of soil physical indicators associated to soil compaction and water retention. These indicators were chosen as representative of the potential of these strategies to improve the soil physical condition. That for, the effectiveness of conservation agriculture (CA), crop rotations (ROT), additions of organic matter (ExO), irrigation (IRR) and innovative grassland management (GSS) was assessed by monitoring soil bulk density (BD) and soil available water holding capacity (AWHC) in a network of 159 agricultural fields across homogeneous agro-climatic zones in the region. A sampling protocol designed to compare groups of plots with or without adaptive practices, and with equal soil characteristics within each zone, allowed to determine the effect size of each strategy (measured as response ratios, RR, calculated as the relative value of BD and AWHC in fields with adaptive management vs. without). Both parameters responded to soil and crop management, although the observed effect was highly variable. Only the ExO strategy showed an overall positive effect on BD. ROT, IRR and GSS displayed no effect and, in the case of CA, the effect was negative. In terms of AWHC, although the results within the zones were heterogeneous, the overall effect associated to the strategies ROT, ExO, IRR and GSS was neutral, and only CA resulted in an overall negative effect. The observed variability in terms of the effectiveness of the five strategies tested in this region highlights the need to understand the complexity of interrelationships between management and dynamic soil properties at the regional scale.Publication Open Access XXXIII Reunión Nacional de Suelos: libro de resúmenes(2023) Arricibita Videgain, Javier; Valle de Lersundi, Jokin del; Enrique Martín, Alberto; Eslava Lecumberri, Javier; Lasarte Arangoa, Mikel; Ruiz Sagaseta de Ilurdoz, Alberto; Sanz Morales, Francisco Javier; Senar Mozo, Ainara; Virto Quecedo, Íñigo; Ciencias; Zientziak; Universidad Pública de Navarra / Nafarroako Unibertsitate PublikoaLa XXXIII Reunión Nacional de Suelos (RENS) de la SECS, celebrada en Pamplona/Iruña del 12 al 15 de septiembre de 2023, pretende ser un foro para la comunidad científica vinculada a la Ciencia del Suelo que permita reflexionar acerca de los retos que enfrenta la disciplina en un ambiente de encuentro y de trabajo en campo. Al mismo tiempo, es una ocasión para el conocimiento de los suelos de Navarra y sus usos más relevantes, y que permite compartir trabajos de investigación recientes. En este libro de actas se recogen las comunicaciones presentadas a la XXXIII RENS, organizada por el área de Edafología y Química Agrícola de la Universidad Pública de Navarra (UPNA), el Departamento de Desarrollo Rural y Medio Ambiente del Gobierno de Navarra y la empresa pública Tracasa Instrumental.Publication Open Access Soil quality evaluation following the implementation of permanent cover crops in semi-arid vineyards. Organic matter, physical and biological soil properties(Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2012) Virto Quecedo, Íñigo; Imaz Gurruchaga, María José; Fernández Ugalde, Oihane; Urrutia Larrachea, Idoia; Enrique Martín, Alberto; Bescansa Miquel, Paloma; Ciencias del Medio Natural; Natura Ingurunearen ZientziakEl establecimiento de cubiertas vegetales permanentes (PGC) en viñedos de zonas semiáridas, con manejo tradicional de suelo desnudo mediante laboreo y aplicación de herbicidas, es controvertido, porque tiene ventajas agronómicas y ambientales, pero puede inducir cambios negativos en la calidad física del suelo. Los objetivos de este trabajo fueron: (i) avanzar en el conocimiento del efecto de la implantación de PGC en la calidad física y biológica del suelo, e (ii) identificar los indicadores de calidad del suelo más apropiados para suelos calizos de viñedo en una zona semiárida. Se determinaron propiedades físicas y biológicas clave en un Calcisol Cámbico con PGC de diferente edad (1 y 5 años), con un control manejado convencionalmente. El análisis de correlaciones mostró una relación directa entre la estabilidad estructural (WSA), la capacidad de retención de agua útil (AWC), la biomasa microbiana y las actividades enzimáticas del suelo bajo PGC. El contenido de C orgánico total (SOC) y lábil (POM-C) estuvo también correlacionado con los parámetros microbianos. Los indicadores de calidad del suelo más sensibles se identificaron mediante análisis factorial por componentes principales (PCA). La actividad de lombrices, AWC, WSA, SOC y POM-C mostraron el mayor peso en los dos factores obtenidos con PCA, por lo que estas propiedades pueden considerarse indicadores adecuados de la calidad del suelo en este agrosistema. Estos resultados indican que tanto los atributos físicos como biológicos del suelo son diferentes bajo PGC, y necesitan ser evaluados al estudiar las consecuencias de su introducción en suelos de viñedo.Publication Open Access Casting activity of scherotheca gigas in no-till Mediterranean soils: role in organic matter incorporation and influence of aridity(Hindawi / Wiley, 2010) Bescansa Miquel, Paloma; Virto Quecedo, Íñigo; Fernández Ugalde, Oihane; Imaz Gurruchaga, María José; Enrique Martín, Alberto; Ciencias del Medio Natural; Natura Ingurunearen ZientziakThe behaviour of earthworms, their role in organic matter incorporation into the soil, and the influence of aridity in such processes in arid and semiarid regions have scarcely been studied. In this study, physico-chemical analyses of the casts and the surrounding no-till agricultural soils of three experimental sites representing an aridity gradient in Navarre (NW Spain) were done. The casts were formed by the activity of the only anecic species, Scherotheca gigas (Dug`es, 1828), ubiquitous in no-till soils in this region.We observed a significant depletion of clay and higher concentration of total organic C and labile C in the form of particulate organic matter (POM) in the casts as compared to the surrounding soil, suggesting selective ingestion of soil by S. gigas. This, together with the observation of increased concentration in POM with increasing aridity, suggests a major role of this species in the observed progressive gains of organic C stocks in no-till soils in the region.Publication Open Access Improving the structural stability of cropped soils in Olite (Navarre) using conservation tillage to reduce water erosion(Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, 2007) Río Lahidalga, Iker del; Fernández Ugalde, Oihane; Imaz Gurruchaga, María José; Enrique Martín, Alberto; Bescansa Miquel, Paloma; Ciencias del Medio Natural; Natura Ingurunearen ZientziakThe objective of this work was to compare the soil wet aggregate stability and its relationship to the soil organic matter stock in an agricultural soil under different types of tillage in a semi-arid area of Northern Spain.Publication Open Access Effect of irrigation on carbonate dynamics in a calcareous soil using isotopic determinations(Universia, 2019) De Soto García, Isabel Sonsoles; Virto Quecedo, Íñigo; Barré, Pierre; Enrique Martín, Alberto; Zientziak; Institute on Innovation and Sustainable Development in Food Chain - ISFOOD; CienciasEste artículo evalúa el efecto del regadío en la dinámica de los carbonatos en suelos agrícolas. Se ha estudiado la proporción y distribución de carbonatos pedogénicos en las fracciones granulométricas de un suelo en regadío y en secano, usando la firma isotópica de C de los carbonatos. El regadío puede alterar la distribución de los carbonatos del suelo y producir una acumulación preferencial de carbonatos pedogénicos (87% al 92% con riego frente a 61% al 74% sin riego) en las fracciones más finas.Publication Open Access Organic carbon storage and dynamics as affected by the adoption of irrigation in a cultivated calcareous mediterranean soil(Frontiers Media, 2022) Antón Sobejano, Rodrigo; Derrien, Delphine; Urmeneta Martín-Calero, Henar; Van der Heijden, Gregory; Enrique Martín, Alberto; Virto Quecedo, Íñigo; Zientziak; Estatistika, Informatika eta Matematika; Institute on Innovation and Sustainable Development in Food Chain - ISFOOD; Ciencias; Estadística, Informática y Matemáticas; Universidad Pública de Navarra / Nafarroako Unibertsitate PublikoaIrrigation is in the spotlight of land-use planning in semi-arid and sub-humid regions. It can be a promising practice to promote soil organic C storage (SOC), although it may also involve an increase in soil GHG emissions. Assessing the impact of its adoption on SOC storage is crucial to better understand its potential role in terms of agricultural sustainability and climate policies. In this study, we measured and modeled the changes in soil organic C storage and dynamics in the tilled soil layer (0-30 cm) of an experimental field on a calcareous soil with two different crops (maize, a C4 plant, and wheat, a C3 plant), cultivated with and without irrigation for 7 years. We hypothesized that changes in SOC storage occur when introducing irrigation and/or different crops in an agrosystem, and that they would be related to changes in the incorporation of crop residues, their partitioning between the labile and the stable fraction, and C losses bymineralization. Our results validated theses hypotheses only partially. Over the 7-year study period, irrigation significantly increased total (TOC) and sand-size (50-2,000 µm) particulate organic C (POC50-2,000) stocks in the tilled layer (0-30 cm): +7.1%TOC and +12.1%POC50-2,000 for maize, and +7.0 and +12.3% for wheat. A parallel two-pool SOC model based on TOC and POC50-2,000 fractions and the C3-C4 plant shift allowed understanding that the observed changes in SOC storage were most likely related to an increase in C inputs from crop residues, and to a more efficient incorporation of these residues with irrigation. The mean residence time of SOC in the two modeled pools did not allow to support our hypothesis of changes in SOC mineralization with irrigation. The limitations of SOC fractionation, which implied that some labile fractions might have been lost from POC50-2,000 and recovered in the fraction identified as slow-turning, together with the interaction of the carbonate-rich mineral phase of this soil can explain at least partially this observation. We conclude that irrigation can contribute to effectively increase SOC storage in themid-term, but its effectmight be dependent upon the type of crops and soil.Publication Open Access Evaluation of the use of a material with struvite from a wastewater treatment plant as n fertilizer in acid and basic agricultural soils(MDPI, 2023) De Soto García, Isabel Sonsoles; Itarte Basterra, Miguel Julián; Virto Quecedo, Íñigo; López, Andrea; Gómez, Jairo; Enrique Martín, Alberto; Ciencias; Zientziak; Institute on Innovation and Sustainable Development in Food Chain - ISFOOD; Universidad Pública de Navarra / Nafarroako Unibertsitate PublikoaStruvite (MgNH4PO4 · 6H2O) has been widely studied as an emerging recycled phosphorous fertilizer despite its low solubility. However, there are few studies on the use of this mineral as an N fertilizer. This article evaluates the use of two powder struvite-containing materials from wastewater treatment as an N fertilizer in agricultural soils. A 9-week soil incubation experiment was conducted to compare the effectiveness of this mineral as an N fertilizer in two soils with different pH values (8.2 and 6.7), using two different doses and a control soil. The use of these materials has a positive effect on soil fertility, especially in acidic soils where struvite seems to be more soluble. Thus, struvite can be a potential N fertilizer for agricultural soils and can promote circular economy opportunities for the wastewater industry, especially in acid soils (concentrations of mineral N between 453–339 mg/kg were obtained in the mixtures with acid soil, and values between 408–212 mg/kg in the mixtures with the basic soil after 6 weeks of soil incubation). However, associated with this process, an increase in soil salt content was observed (EC values reaching 3.9 dS/cm in mixtures with the acid soil and 2.8 dS/cm in the mixtures with the basic soil after nine weeks of soil incubation). Therefore, this parameter should be controlled in the case of continuous applications of the amendments, especially in conditions of poor drainage and/or non-percolating water regime, since it can be a limiting factor in crop development. These processes should be studied in detail in the future considering that the N soil cycle has a significant impact on soil chemistry and fertility and on the soil microbiological community.Publication Open Access Effect of the long-term application of sewage sludge to a calcareous soil on its total and bioavailable content in trace elements, and their transfer to the crop(MDPI, 2021-03-30) Zaragüeta, Armelle; Enrique Martín, Alberto; Virto Quecedo, Íñigo; Antón Sobejano, Rodrigo; Urmeneta Martín-Calero, Henar; Orcaray Echeverría, Luis; Ciencias; Zientziak; Institute on Innovation and Sustainable Development in Food Chain - ISFOOD; Estadística, Informática y Matemáticas; Estatistika, Informatika eta MatematikaSewage sludge (SS) can be used as an organic amendment in agricultural soils, provided they comply with the relevant legislation. This use can incorporate traces of metals into the soil, which can cause environmental or human health problems. In the study period between 1992 and 2018 (26 years), it was observed that the use of SS as an organic fertilizer significantly increased the total concentration of Zn, Cu, Cr, Ni and Hg of this study between 55.6% (Hg) and 7.0% (Ni). The concentration of Zn, Cu, Pb, Ni and Cd extracted with DTPA, also increased between 122.2% (Zn) and 11.3% (Cd). In contrast, the Mn concentrations extracted with Diethylene Triamine Pentaacetic Acid (DTPA)were 6.5% higher in the treatments without SS. These changes in the soil had an impact on the crop, which showed a significant increase in the concentration of Zn, Cu and Cr in the grain, between 15.0% (Cr) and 4.4% (Cu), and a decrease in the concentration of Mn, Cr and Ni in the barley straw when SS was added to the soil between 32.2% (Mn) and 29.6% (Ni). However, the limits established by current legislation on soil protection and food were not exceeded. This limited transfer to the crop, is likely due to the high content of carbonates and organic matter in the soil, which limit the bioavailability of most of the trace metals (TM) in the soil. As a conclusion, we observe that the use of SS as an organic amendment increased the concentration of some TM in the soil, in its bioavailable forms, and in the crop.Publication Open Access Irrigation and SOC sequestration in the region of Navarre in Spain(FAO, 2021) Virto Quecedo, Íñigo; Antón Sobejano, Rodrigo; Enrique Martín, Alberto; Orcaray Echeverría, Luis; Arias Fariñas, Nerea; Ciencias; ZientziakThe project REGADIOX, funded by the European Commission LIFE Program was based on the establishment of a regional-scale network of representative agricultural plots in three irrigation districts in Navarre (NE Spain). The project allowed for a rational evaluation of soil organic C (SOC) sequestration and greenhouse gases (GHG) emissions balances by using paired comparisons in terms of soil characteristics in irrigated vs rainfed plots. The results showed a clear influence of irrigation in soil condition, arising from greater SOC storage. The net effect was however modulated by soil characteristics and management practices, in so far as the different agricultural strategies did have different potential to sequester SOC and/or reduce GHG emissions. While permanent crops with green cover (which was possible thanks to irrigation) or semi-permanent crops as alfalfa were win-win strategies with positive C balances, intensive systems with two crops per year, although they also contributed to SOC gains, represented increased GHG emissions. The observed changes in SOC associated to irrigation with different managements also showed that irrigation adoption can alter the soils’ capacity to provide key ecosystem services beyond biomass production, as changes in soils properties related to SOC, such as water-holding capacity or soil erodibility were also observed. These changes were, however, not straightforward and varied depending on soil type, climate and time under irrigation.