Effects of different olive-grove management systems on the organic carbon and nitrogen content of the soil in Jaén (Spain)

Castro, J.J.; Ondoño, Emilia Fernández; Rodríguez, Cintia; Lallena, A. M.; Sierra, M.; Aguilar, J.

doi:10.1016/j.still.2007.10.002

Cited by 114 publications

(102 citation statements)

References 40 publications

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“…SOC and N content increased in the A horizon from OF to CT in all soil types except the Ah horizon in LPs for SOC (20.55 g kg −1 CT; 18.03 g kg −1 OF). Castro et al (2008) observed a similar trend at different depths in soils with OGs. As for the surface horizons, SOC values were highly heterogeneous, ranging from 20.55 g kg −1 to 7.63 g kg −1 for LPs-CT and CMs-CT respectively.…”

Section: Soil Organic Carbon Nitrogen and C : N Ratiosupporting

confidence: 65%

“…In accordance with this, Hontoria et al (2004) suggested that variables affecting soil development in the driest areas of Spain are those related to the specific texture more than those related to management or climate. Moreover, Castro et al (2008) reported that soil texture is the first property that influences SOC in agricultural soils.…”

Section: Soil Properties and Principal Components Analysesmentioning

confidence: 99%

“…CT has contributed to alterations in the nitrogen cycle (Fernández-Escobar et al, 2009), water loss by evaporation (Cerdà and Doerr, 2007), destruction of the soil structure (Gómez et al, 2009), loss of soil organic matter (SOM) and nutrients (Paustian et al, 2000) and high erosion rates (Calatrava et al, 2011). Traditional OG management has been associated with soil erosion (Castro et al, 2008), river and water body pollution (Colombo et al, 2005), degradation of landscape (Parra-López et al, 2009), and climate change (Rodríguez-Entrena et al, 2012). Besides, CT reduces soil fertility and OG production, increasing production costs (Calatrava-Leyva et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

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Conventional tillage versus organic farming in relation to soil organic carbon stock in olive groves in Mediterranean rangelands (southern Spain)

Parras-Alcántara

Lozano‐García

2014

Solid Earth

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Abstract. Soil organic carbon (SOC) concentration is a soil variable subject to changes. The management system is a key factor that influences these changes. To determine the long-term effects of the management system on SOC stocks (SOCS) in olive groves, 114 soil profiles were studied in the Los Pedroches Valley (Mediterranean rangelands -southern Spain) for 20 years. The management practices were conventional tillage (CT) and organic farming (OF) in four soil types: Cambisols (CMs), Regosols (RGs), Luvisols (LVs) and Leptosols (LPs). Soil properties were statistically analysed by management techniques, soil types and horizons. Significant differences (p < 0.05) were found between soil types and management practices. It was equally observed that the management system affected SOCS. In addition, the total SOCS during the 20-year experiment increased in OF with respect to CT by 72 and 66 % in CMs and LVs respectively. SOC showed significant differences for horizons (p < 0.05) in relation to the management type. The stratification ratio (SR) was used as an indicator of soil quality based on the influence of surface SOC levels on erosion control, water infiltration and nutrient conservation with respect to deep layers. The SR of SOC from the surface to depth was greater in CT compared to OF with the exception of RGs. In all cases, the SR of SOC was > 2. These results indicate high soil quality and that management practices affect SOC storage in the Los Pedroches Valley.

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Section: Soil Organic Carbon Nitrogen and C : N Ratiosupporting

confidence: 65%

Section: Soil Properties and Principal Components Analysesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Conventional tillage versus organic farming in relation to soil organic carbon stock in olive groves in Mediterranean rangelands (southern Spain)

Parras-Alcántara

Lozano‐García

2014

Solid Earth

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“…CC are spontaneous or cultivated plants that grow between tree lines with the main objective of soil protection (Gómez, 2009). Apart from soil conservation, the use of CC has additional positive environmental impacts on soil carbon sequestration (González-Sánchez et al, 2012), biodiversity (Rey, 2011), visual quality of landscapes (Arriaza et al, 2004) and water pollution (Castro et al, 2008). Although there are studies that analyze the adoption of CC (Franco, 2011;Rodríguez-Entrena and Arriaza, 2013), to our best knowledge there are no other studies estimating farmers' WTA for CC within AES.…”

Section: Introductionmentioning

confidence: 99%

The design of agri-environmental schemes: Farmers’ preferences in southern Spain

et al. 2015

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Agri-environmental schemes (AES) play a key role in promoting the production of environmental public goods by European Union agriculture. Although extensive literature has analyzed AES, some important issues remain understudied. This paper performs an ex-ante assessment of AES in permanent cropping, analyzing several issues that have received little attention from researchers, such as ecological focus areas (EFA) and collective participation. For this purpose, a choice experiment was used to assess farmers' preferences toward AES in a case study of olive groves in southern Spain. Results show high heterogeneity among farmers, with different classes being identified, from potential participants to non-participants. As regards EFA, almost half of the farmers would be willing to accept it for low monetary incentives (€8-9/ha per additional 1% of the farmland devoted to EFA) while the rest would do it for moderate-to-high monetary incentives (€41-151/ha per additional 1% of EFA). However, for a high share of EFA (e.g., 5-7%) higher incentives would presumably be required due to the intrinsic spatial restrictions of olive groves. With regard to collective participation, we find that it is unlikely that farmers would participate collectively with the incentive of the up-to-30% EU-wide bonus. These results are relevant for policy-making now when new AES are being designed for the next programming period 2014-2020.

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“…Application of olive residues as organic amendments increases the contents of macronutrients in soil (Madejon et al, 2003 andConvertini et al, 2008). Available nutrients are released as a result of organic matter decomposition, which depends on the residue characteristics, method of application, management system and soil type (Cabrera et al, 2005, Alvararado, 2006, Castro et al, 2008, Aranda et al, 2011and Repullo et al, 2012. Christensen (1996) stated that soil texture plays an important role in influencing organic matter status in soil, since after 100 years of constant animal manure addition, clay soils accumulated more organic matter than sandy soils.…”

mentioning

confidence: 99%

The Effects of Inorganic and Organic Fertilizers on An Olive Orchard Grown on A Sandy Soil

2013

Egypt.J. Soil Sci.

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Effects of different olive-grove management systems on the organic carbon and nitrogen content of the soil in Jaén (Spain)

Cited by 114 publications

References 40 publications

Conventional tillage versus organic farming in relation to soil organic carbon stock in olive groves in Mediterranean rangelands (southern Spain)

Conventional tillage versus organic farming in relation to soil organic carbon stock in olive groves in Mediterranean rangelands (southern Spain)

The design of agri-environmental schemes: Farmers’ preferences in southern Spain

The Effects of Inorganic and Organic Fertilizers on An Olive Orchard Grown on A Sandy Soil

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