Effect of Bicarbonate on Suitability of Water for Irrigation

Wilcox, L. V.; Blair, George Y.; Bower, C. A.

doi:10.1097/00010694-195404000-00001

Cited by 56 publications

(34 citation statements)

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“…. Table 5.5 Residual sodium carbonates (RSC) and suitability of water for irrigation (Eaton 1950;Wilcox et al 1954) . .…”

Section: List Of Figuresmentioning

confidence: 99%

“…Boron levels that have developed in the soil water (saturation extract of soils) through irrigation can have a range of effects on crop yields. Wilcox (1960) presented three classes of crops with regard to boron toxicity: tolerant (2-4 ppm), semi-tolerant (1-2 ppm), and sensitive (0.3-1 ppm). Fruit crops are among the most boron sensitive, and yields of citrus and some stone fruit species are decreased by boron even at soil solution concentrations less than 0.5 ppm.…”

Section: Boron Toxicitymentioning

confidence: 99%

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Guideline for Salinity Assessment, Mitigation and Adaptation Using Nuclear and Related Techniques

Shahid²,

2018

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reproduction in any medium or format, as long as you give appropriate credit to the IAEA, provide a link to the Creative Commons license and indicate if changes were made. The use of the IAEA's name for any purpose other than for attribution, and the use of the IAEA's logo, shall be subject to a separate written license agreement between the IAEA and the user and is not authorized as part of this CC-IGO license. Note that the link provided above includes additional terms and conditions of the license. The images or other third party material in this book are included in the book's Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the book's Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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“…. Table 5.5 Residual sodium carbonates (RSC) and suitability of water for irrigation (Eaton 1950;Wilcox et al 1954) . .…”

Section: List Of Figuresmentioning

confidence: 99%

Section: Boron Toxicitymentioning

confidence: 99%

Guideline for Salinity Assessment, Mitigation and Adaptation Using Nuclear and Related Techniques

Shahid²,

2018

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“…Although SAG treatment of saline-sodic water decreased its RSC from 5.56 to 3.65 mmol l −1 (34.4%) at filed inlet but still it was higher compared to threshold limit of 2.5 mmol c l −1 , which is mostly considered the maximum upper limit for safe irrigation (Wilcox et al 1954;US Salinity Lab. Staff 1954;Ayers and Westcot 1985;Muhammed and Ghafoor 1992;Gupta and Gupta 1997).…”

Section: Resultsmentioning

confidence: 94%

Comparison of sulfurous acid generator and alternate amendments to improve the quality of saline-sodic water for sustainable rice yields

Zia

Ghafoor

Saifullah

et al. 2006

Paddy Water Environ

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The prolonged irrigation with marginal quality water can cause secondary salinization of soils, which necessitates for better understanding of water management alternatives. Relative performance of sulfuric acid and gypsum is still controversial to counter sodium hazards in soil/water system. As an alternative, sulfurous acid generators (SAG) are also being marketed. But up-till-now, there is not even a single field study published in scientific journals about their efficiency and economical viability for the treatment of saline-sodic water. Therefore, a field study was carried out to compare the effectiveness of SAG and alternate amendments applied on an equivalent basis to grow rice crop. SAG treatment of saline-sodic tube well water decreased only residual sodium carbonate (RSC) from 5.4 to 3.6 mmol c l −1 , and had no beneficial effect on its sodium adsorption ratio (SAR) or electrical conductivity (EC). All the treatments kept soil EC and SAR around their respective threshold levels. For paddy yield, SAG, sulfuric acid, and gypsum treatments depicted nonsignificant differences. SAG and sulfuric acid treatments of water were about six times expensive than that of gypsum. It was concluded that soil-applied gypsum, to counter sodic hazards of irrigation water, is economical to sustain irrigated rice in dry regions.

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“…Los trabajos de Wilcox [26], demostraron que cuando se incrementa los valores de HCO 3 en el agua, se incrementa la cantidad de CaCO 3 precipitada; esta precipitación es directamente proporcional al incremento del PSI en el suelo. Richards et al (1954) cita a Eaton (1950), él reportó que aguas de riego con excesos de HCO 3 en relación al Ca 2+ y Mg 2+ , aumentaron el PSI del suelo y propuso tres términos para referirse a este incremento y son: porciento de sodio encontrado, porciento de sodio posible y carbonato de sodio residual.…”

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Comportamiento iónico-pluvial en la cuenca del Cutuchi durante invierno y verano 2013

Llerena

2016

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Comportamiento iónico-pluvial en la cuenca del Cutuchi durante invierno y verano 2013Ionic-pluvial behavior in the Cutuchi basin during winter and summer 2013 ResumenLas aguas de la cuenca del Cutuchi tienen una predominancia bicarbonatada por el pasado geológico del lugar; el objetivo de este trabajo fue caracterizar el comportamiento iónico de las aguas en función de la precipitación pluvial durante los períodos de invierno y verano del 2013; el estudio se ubicó en las coordenadas: UTM (WGS84) Zona 17S X:766806; Y:9867344.Se tomaron 16 muestras por triplicado cada/8 días, en la fase I (enero-marzo) y fase II (julio-agosto). Se analizaron: pH, CE, Temperatura, STD, Na+, K+, Ca2+, Mg2+, CO32-, HCO3-, Cl-, SO42-, B, bajo norma APHA/AWWA/WEF. Las aguas se ubican en las categorías C2 y C3 Como salinidad, la relación CE/RASorg determina aguas de clase C2-S1/C3-S1 y C3-S1en fases I y II respectivamente, lo que permite concluir que las aguas de la cuenca del Cutuchi que aportan al canal Latacunga Salcedo Ambato se encuentran en riesgo alto de salinización. De igual forma, se concluye que aguas de la cuenca del Cutuchi contienen concentraciones de iones que corresponden a aguas bicarbonatadas cálcicas y/o magnésicas y que debido a la proporción de Bicarbonatos se generan cambios que son dependientes del nivel e intensidad de las lluvias tanto en la fase de verano como de invierno Palabras clave: salinidad; relación de adsorción de sodio; carbonatos y bicarbonatos Recepción: 06 junio de 2016 Aprobación: 04 julio de 2016 ARTÍCULO ORIGINAL FIGEMPA: Investigación y Desarrollo, ISSN 1390-7042/ Año IV / Volumen 1 / Número 6 / Quito, Julio 2016 / Periodicidad semestral 47 46 dependen de la relación de aporte del acuifero y de las variables, anteriormente mencionadas.

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Effect of Bicarbonate on Suitability of Water for Irrigation

Cited by 56 publications

References 0 publications

Guideline for Salinity Assessment, Mitigation and Adaptation Using Nuclear and Related Techniques

Guideline for Salinity Assessment, Mitigation and Adaptation Using Nuclear and Related Techniques

Comparison of sulfurous acid generator and alternate amendments to improve the quality of saline-sodic water for sustainable rice yields

Comportamiento iónico-pluvial en la cuenca del Cutuchi durante invierno y verano 2013

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