Silicon in Agriculture 2015
DOI: 10.1007/978-94-017-9978-2_2
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Analysis of Silicon in Soil, Plant and Fertilizer

Abstract: The fi rst soil testing of plant-available silicon (Si) was not conducted until 1898 on Hawaiian soils. However, numerous procedures have since been developed for determination of Si content in a wide variety of materials including soils, plants and fertilizers. This chapter reviews current analytical procedures that are widely used for analysis of both total Si in soils, plants and fertilizers and plantavailable Si in soils and fertilizers.

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Cited by 9 publications
(7 citation statements)
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“…To determine Si levels in soil, the calcium chloride extraction method was used (Liang et al, 2015b). The soil pH was 6.4 and the plant available Si ranged between 19 and 21 mg/kg, a concentration considered very low since concentrations below 100 mg/kg are considered deficient (Liang et al, 2015b). The cultivars Seascape (DN), San Andreas (DN) and Jewel (June bearing) were tested.…”
Section: Methodsmentioning
confidence: 99%
“…To determine Si levels in soil, the calcium chloride extraction method was used (Liang et al, 2015b). The soil pH was 6.4 and the plant available Si ranged between 19 and 21 mg/kg, a concentration considered very low since concentrations below 100 mg/kg are considered deficient (Liang et al, 2015b). The cultivars Seascape (DN), San Andreas (DN) and Jewel (June bearing) were tested.…”
Section: Methodsmentioning
confidence: 99%
“…Final volume of digested sample was adjusted to 50 ml using distilled water. Colorimetric molybdenum blue method was used to measure the Si content (Liang, Nikolic, et al, 2015). The digested sample (1.0 ml) was mixed with 20% acetic acid (9 ml) and ammonium molybdate solution (2.5 ml; 54 g L À1 , pH 7.5) in a polypropylene volumetric flask (50 ml).…”
Section: Siliconmentioning
confidence: 99%
“…El método de cloruro de calcio (CaCl2) 0,01 mol L -1 (M1) fue el método que extrajo los menores contenidos de silicio en el suelo con 22,99 y 22,762 mg kg -1 de Si para maíz y frijol respectivamente, seguido por el método de agua modificada (M4). Así mismo, y de acuerdo con el principio de equilibrio químico del suelo, el Si extraído con CaCl2 diluido puede corresponder más estrechamente a los niveles de Si esperados de las predicciones de solubilidad (Lindsay, 1979;Liang et al, 2015a Lima et al (2011) prefieren las soluciones salinas no tamponadas como CaCl2 (0.01 mol L -1 ) ya que tienen una fuerza iónica similar a la fuerza iónica de la solución del suelo La tendencia de los métodos de extracción encontrados en esta investigación difiere de la reportada por Combatt et al (2017), quienes mencionan que para suelos alcalinos del departamento de Córdoba, la tendencia en extracción de silicio fue en su orden (HC2H3O2 0,5 mol L -1 ) > (Tampón pH 4,0 (HC2H3O2 + CH3COONa) > (solución de cloruro de bario) > (CaCl2 mol L -1 ) > (CH3COONH4 38,5 g L -1 ), con una extracción de 148,36; 112,85; 24,26; 21,18 y 16,97 mg kg -1 de Si respectivamente.…”
Section: Extracción De Silicio De Los Suelos Alcalinosunclassified