Electrolytic Conductivity of Semiarid Soils (Southeastern Spain) in Relation to Ion Composition

Bastida, J. A. Hernández; Vela, Nuria; Silla, R. Ortiz

doi:10.1080/15324980490451348

Cited by 18 publications

(9 citation statements)

References 17 publications

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“…Genetic (cultivar), physiological (organ), and environmental (salinity) factors can all affect the bioactive compounds in broccoli (Vallejo and others 2002; Martínez‐Ballesta and others 2008; Moreno and others 2008), therefore determining its nutritive value and phytochemical composition (López‐Berenguer and others 2008; Oh and others 2009). Moreover, in NaCl‐affected soils, poorer crop performance is characteristic (Hernández Bastida and others 2004). Even though broccoli is considered to be a crop that is “moderately sensitive” to salinity (Shannon and others 2000; López‐Berenguer and others 2006; Martínez‐Ballesta and others 2008), its characteristic “biphasic response” to high‐salinity treatments (80 mM NaCl) is marked by growth reductions and physiological disorders that reduce the final yield (López‐Berenguer and others 2008, 2009), as can be seen in Table 2 for the 80 mM NaCl treatment.…”

Section: Resultsmentioning

confidence: 99%

Broccoli‐Derived By‐Products—A Promising Source of Bioactive Ingredients

Domínguez‐Perles¹,

Martínez-Ballesta²,

Carvajal³

et al. 2010

Journal of Food Science

153

116

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Many by-products of the agrifood industry may be useful as sources of nutrients and potentially functional ingredients, giving the opportunity to obtain added-value products. Previous studies have been focused on edible florets, but in this case we are interested in adding value to broccoli by-products that represent a real problem in the production sites because no intended use for this material has been envisaged. Therefore, the aim of this study was to add value to the broccoli-derived by-products, since recycling all this agrowaste to obtain bioactive ingredients for industry can boost profits and reduce costs and environmental problems.

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Section: Resultsmentioning

confidence: 99%

Broccoli‐Derived By‐Products—A Promising Source of Bioactive Ingredients

Domínguez‐Perles¹,

Martínez-Ballesta²,

Carvajal³

et al. 2010

Journal of Food Science

153

116

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“…The increase in amounts of saline soils is due mainly to irrigation with salty water and a disregard for the principles of soil drainage. Other contributors to the problem are intrusion of saline water ( Van-Camp et al 2004) and evapotranspiration of saline soil moisture (Hernandez et al 2004). Salinization leads to a partial or total loss of the productive capacity of a soil, because of degradation of its chemical and physical properties.…”

Section: Introductionmentioning

confidence: 97%

Soil salinization in the agricultural lands of Rhodope District, northeastern Greece

Pisinaras

Tsihrintzis

Petalas

et al. 2009

Environ Monit Assess

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The objective of this study was to identify seasonal and spatial trends and soil salinization patterns in a part of Rhodope District irrigated land, northeastern Greece, located east of Vistonis Lagoon. The study area is irrigated from a coastal aquifer, where salt water intrusion occurs because of extensive groundwater withdrawals. Fourteen monitoring sites were established in harvest fields in the study area, where soil samples were collected. Electrical conductivity (ECe), pH, and ion concentrations were determined in the saturated paste extract of the soil samples in the laboratory using standard methods. A clear tendency was observed for ECe to increase from April to September, i.e., within the irrigation period, indicating the effect of saline groundwater to soil. In the last years, the change from moderately sensitive (e.g., corn) to moderately tolerant crops (e.g., cotton) in the south part of the study area indicates the impacts of soil salinity. The study proposes management methods to alleviate this problem.

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“…These results probably reflect a displacement and accumulation of salts from the lower layer towards soil surface. It is well reported that environmental factors such as soil porosity, quantity of percolation water, nature of the ions present determine the mobility of different ions and their differential spatial behavior [8] [20]. The texture of Saemangeum soil was loamy sand and the hydraulic conductivity was much greater compared to Yeongsangang reclaimed tidal soil [21], which indicate that the upward movement of water and salts was much greater at Saemangeum reclaimed tidal soil.…”

Section: Resultsmentioning

confidence: 99%

“…The dynamic characteristics of soil salts depend on environmental factors such as nature of soils, the amount and type of soluble salts, and local hydrological conditions [7] [8]. The understanding of predominant salt type is critical because individual ions may affect on soil properties and the possibility that ions may be toxic to crops [9].…”

Section: Introductionmentioning

confidence: 99%

Temporal Variations on Soil Salinity and Cation Displacement at Saemangeum and Yeongsangang Reclaimed Tidal Lands

Lee¹,

Bae²,

Kim³

et al. 2014

JACEN

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Soil salinity at reclaimed tidal land in Korea is highly variable and depending on soil characteristics and weather conditions. The objective of this study was to evaluate the temporal changes on soil salinity and the relationships between soil salinity and salinity parameters in reclaimed tidal lands. Soil samples were periodically collected at 0-20 cm (surface) and 20-40 cm (subsurface) layer at Saemangeum (sandy loam) and Yeongsangang (silty loam) reclaimed tidal land. Electrical conductivity (EC) had a wide range from 0.0 to 34.3 dS•m −1 during the experimental period. The average soil EC was 6.4 and 3.4 dS•m −1 at Saemangeum and Yeongsangang reclaimed tidal land, respectively. Soluble sodium concentration had great variations and it was the most important single factor for temporal variations of soil EC regardless of soil textural properties. Calcium concentration was negatively correlated with soil EC and soluble sodium. Soil exchangeable sodium percentage (ESP) was estimated as a function of soil sodium adsorption ratio (SAR) and a linear regression model (ESP = 6.075 (SAR) + 0.677 for Saemangeum and ESP = 3.925 (SAR) + 0.421 for Yeongsangang reclaimed tidal soil) was suggested for predicting soil ESP from soil SAR. The characteristics of reclaimed tidal lands had different shares of saline and sodic properties during the experimental period. Saemangeum reclaimed tidal soil was highly characterized by sodium, but the effect of sodium on Yeongsangang soil was less pronounced. Our results indicate that persistent monitoring and modeling on soil salinity at reclaimed tidal soil is fundamental and the results can provide some useful information for deciding management plans for diverse utilization or to reduce salt damage for stable crop production at reclaimed tidal land.

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Electrolytic Conductivity of Semiarid Soils (Southeastern Spain) in Relation to Ion Composition

Cited by 18 publications

References 17 publications

Broccoli‐Derived By‐Products—A Promising Source of Bioactive Ingredients

Broccoli‐Derived By‐Products—A Promising Source of Bioactive Ingredients

Soil salinization in the agricultural lands of Rhodope District, northeastern Greece

Temporal Variations on Soil Salinity and Cation Displacement at Saemangeum and Yeongsangang Reclaimed Tidal Lands

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