Soil responses to different management practices in rainfed orchards in semiarid environments

Ramos, María; Robles, Adrián Segura; Navarro, Antonio Sánchez; González-Rebollar, J.L.

doi:10.1016/j.still.2010.11.007

Cited by 88 publications

(71 citation statements)

References 35 publications

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“…Respect to GLU, our results agreed with the increase in GLU found at the soil surface under cover crops in a vineyard (Virto et al, 2012), a rainfed olive grove (Moreno et al, 2009) and an almond orchard (Ramos et al, 2011), in all cases under Mediterranean semiarid climatic conditions.…”

Section: Discussionsupporting

confidence: 87%

The short term influence of aboveground biomass cover crops on C sequestration and β–glucosidase in a vineyard ground under semiarid conditions

Peregrina

Pérez‐Álvarez

García-Escudero

2014

Span. j. agric. res.

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Tillage and semiarid Mediterranean climatic conditions accelerate soil organic matter losses in Spanish vineyards. Previous studies showed that cover crops can increase soil organic carbon (SOC) in Mediterranean vineyards. The objectives of this study were to evaluate the influence of two different cover crops in the short term on soil C sequestration in a semiarid vineyard and to study the potential use of both β–glucosidase enzimatic activity (GLU) and the GLU/SOC ratio in order to assess the SOC increase. The experiment was carried out in a cv. Tempranillo (Vitis vinifera L.) vineyard on a Oxyaquic Xerorthent soil in Rioja winegrowing region (NE, Spain). The experimental design was established in 2009 with three treatments: conventional tillage; sown barley cover crop (Hordeum vulgare, L.); sown Persian clover cover crop (Trifolium resupinatum L.). Carbon in the aboveground biomass with each cover crop was monitored. Soil was sampled in June 2011 and June 2012, and SOC, GLU and the GLU/SOC ratio were determined. After 3 years both cover crops increased SOC at soil surface with C sequestration rates of 0.47 and 1.19 t C ha-1 yr-1 for BV and CV respectively. GLU and GLU/SOC ratio increased in both cover crops at 0-5 cm soil depth. The C sequestration rates and GLU were related to the cover crops aboveground biomass. In consequence, in semiarid vineyards under cover crops GLU could be an appropriate indicator to asses the increase of SOC and the soil quality improvement in the short-term (2-3 years).

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Section: Discussionsupporting

confidence: 87%

The short term influence of aboveground biomass cover crops on C sequestration and β–glucosidase in a vineyard ground under semiarid conditions

Peregrina

Pérez‐Álvarez

García-Escudero

2014

Span. j. agric. res.

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“…In the rain-fed orchards of the semiarid Mediterranean agrosystems, where soil conservation is one of the major agronomic challenges (Ramos et al, 2011), soil management is limited by the particular climate conditions, characterized by water deficits in the springsummer period.…”

Section: Introductionmentioning

confidence: 99%

Impact of long term soil management practices on the fertility andweed flora of an almond orchard

Cucci

Lacolla²,

Crecchio³

et al. 2016

Turk J Agric For

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IntroductionSoil management techniques can definitely influence soil quality, acting especially on soil organic matter content, biological complexity, structure, and water holding capacity (Kladivko, 2001). In the rain-fed orchards of the semiarid Mediterranean agrosystems, where soil conservation is one of the major agronomic challenges (Ramos et al., 2011), soil management is limited by the particular climate conditions, characterized by water deficits in the springsummer period.Therefore, agricultural practices should be aimed at increasing water availability and reducing evapotranspiration losses. Tillage before the rainy period is a common practice to facilitate water supply in the soil profile, but may be more harmful for the biological component and organic matter dynamics than no-till or grass planting (Hernandez, 2005). The use of cover crops and reduced tillage may increase soil organic matter and water infiltration (Roberson et al., 1991). In particular, plant cover is a major soil quality factor not only for conservation and to increase organic matter (Vance, 2000), but also and especially as a source of microorganisms with C and energy through root exudates and plant residues (Ramos et al., 2011). On the other hand, all changes in the activity and composition of the soil microbial component, often induced by these agricultural practices, may in turn cause variations in soil fertility, thus increasing the supply of nutrients to plants (Crecchio et al., 2007).The study of single specific soil microorganisms may be useful in some cases (rhizobia, mycorrhiza), but

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“…Cover cropping is currently the most effective practice for soil protection and maintaining the sustainability of the cropping system, as it can reduce soil erosion (Martínez et al, 2006;Pastor, 2008;Gómez et al, 2009) and increase soil organic matter and improve many other physical, chemical and biological properties of the soil compared with frequent tillage or non-covered treatments (Castro et al, 2008;Moreno et al, 2009;Ramos et al, 2010Ramos et al, , 2011. Cover crops, however, compete for resources with the trees, which can lead to a reduction in crop productivity (Hornig & Bünemann, 1993;Lipecki & Berbeç, 1997;Silvestri et al, 1999;Gucci et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Soil management in rainfed olive orchards may result in conflicting effects on olive production and soil fertility

Ferreira

Arrobas

Claro

et al. 2013

Span. j. agric. res.

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The adoption of a sustainable soil management system is essential for the steep slopes and low fertility soils still supporting rainfed olive orchards in the Mediterranean basin. The effect of the soil management on olive yield, tree nutritional status and soil fertility was studied in a rainfed olive orchard located in NE Portugal that had been managed since its earliest days as a sheep-walk. In 2001, three different soil management systems were established: Sheep-walk, in which the vegetation was managed with a flock of sheep; Tillage, where the vegetation was controlled by conventional tillage; and Glyphosate, where a glyphosate-based herbicide was applied. The soil management systems had a pronounced effect on olive yield. The accumulated olive yields between 2002 and 2011 were 187.2, 142.9 and 89.5 kg tree-1, respectively in the Glyphosate, Tillage and Sheep-walk treatments. However, the effect of soil management on tree nutritional status was not so clear. On the other hand, the pools of organic carbon and N in the soil, and also the soil available N and phosphorus (P), were found to be less in the Glyphosate and Tillage treatments in comparison with the Sheep-walk. In these soils, N appeared as a much more limiting factor for crop growth than P. In rainfed orchards, the tolerance to herbaceous vegetation appears to be a determining factor in sustainability, which regulates annual crop yields and soil fertility. The higher the tolerance to herbaceous species, the lower the olive yields, but the better are the soil fertility parameters.

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Soil responses to different management practices in rainfed orchards in semiarid environments

Cited by 88 publications

References 35 publications

The short term influence of aboveground biomass cover crops on C sequestration and β–glucosidase in a vineyard ground under semiarid conditions

The short term influence of aboveground biomass cover crops on C sequestration and β–glucosidase in a vineyard ground under semiarid conditions

Impact of long term soil management practices on the fertility andweed flora of an almond orchard

Soil management in rainfed olive orchards may result in conflicting effects on olive production and soil fertility

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