Mineral Deficiency and Toxicity

Yeo, A. R.

doi:10.1002/9780470988862.ch12

Cited by 2 publications

(1 citation statement)

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“…When calcitic limestone is used, the content is less than 5.0% magnesium oxide (MgO) (Alvarez Venegas and Ribeiro 1999), which can result in nutritional deficiency, aggravated by inter-ionic effects such as antagonism and competitive and noncompetitive inhibitions between the elements for the same channels for nutrient absorption. (Yeo 2007;Mengel and Kirkby 2001;Marschner 2012) and by depletion of Mg in the soil due to the export of grains of around 36.0% of the nutrient applied (Barbosa Filho and Silva 2000).…”

Section: Introductionmentioning

confidence: 99%

Water-soluble cations in shoot dry weight of common bean and balance of ions in the soil in response to the magnesium application

Canizella

Moreira

Moraes

et al. 2016

Journal of Plant Nutrition

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The increased magnesium (Mg) concentration in vegetables may be reduced due to inter-ionic inhibition caused by the concentration of other water-soluble cations that are mainly associated to low molecular weight organic anions. However, it is not known whether the levels of these compounds in crop residues are modified by increasing the Mg soil application. This study aimed to assess the effects of the application of Mg on the contents of water soluble cations [potassium (K + ), calcium (Ca 2+ ), magnesium (Mg 2+ ), cooper (Cu 2+ ), iron (Fe 2+ ), manganese (Mn 2+ ), and zinc (Zn 2+ )] on common bean plant residues. The experiment was conducted under greenhouse conditions with Ustoxix Quatzipsamment in completely randomized design in 4×5 factorial scheme, with three replicates. The treatments consisted of four rates of Mg (0, 50, 100 and 200 mg kg 1 , source magnesium chloride (MgCl 2 )) and five varieties of common bean of the carioca group [BRS Estilo, BRS Ametista, IPR Campos Gerais (CG), IPR Tangará and IAPAR Downloaded by [UQ Library] at 13:52 04 June 2016 ACCEPTED MANUSCRIPT ACCEPTED MANUSCRIPT 2 81]. The Mg rates affected the contents of water soluble Ca 2+ , Mg 2+ , Cu 2+ , Fe 2+ and Mn 2+ in the extracts of bean residue. The soluble Mg 2+ showed a significant correlation with foliar Mg content, indicating the need for further research on the method used to assess nutrient availability

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Section: Introductionmentioning

confidence: 99%

Water-soluble cations in shoot dry weight of common bean and balance of ions in the soil in response to the magnesium application

Canizella

Moreira

Moraes

et al. 2016

Journal of Plant Nutrition

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Thyroid Cancer in Children of Eastern Anatolia

Kaya¹,

Çayır²,

Orbak³

et al. 2014

WIMJ Open

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Introduction: The incidence of thyroid cancer has been increasing in recent years. In this study, the clinical and laboratory findings of 14 patients with thyroid cancer were analysed retrospectively. They were admitted to our clinic with complaints of swelling of the neck. Methods: This study was performed in the Paediatric Endocrinology Polyclinics of Ataturk University Faculty of Medicine between 2008 and 2013. Patients with a diagnosis of thyroid cancer/hyperplasia were included. Patients' age and gender, a family history of goitre and thyroid cancer, and exposure to radiation were elicited. Free thyroxine (T4), thyroid stimulating hormone, thyroglobulin and urinary iodine levels were measured. Ultrasonographic characteristics of nodules were determined. Fineneedle aspiration biopsy was performed if nodules were ≥ 10 mm in diameter. Results: The number of males and females was equal. There was no history of neck radiation. Grade 4 and grade 3 goitres were detected in four (28.5%) and 10 (71.4%) of 14 patients, respectively. The use of rock and iodized salt was determined in nine (64.2%) and three (21.4%) patients, respectively, while two (14.2%) patients have been using both forms of salt. According to biopsy findings, benign thyroid tissue was present in three (21.4%) patients, while papillary cancer, follicular carcinoma and hyperplasia were determined in six (42.8%), three (21.4%) and five (35.7%) patients, respectively. Conclusion: Even if the biopsy findings are normal, surgery must be done in the presence of a history of bleeding in a nodule, fixation of a nodule and cervical lymphadenopathy. Iodine deficiency is an important risk factor for thyroid cancer. People should be informed about iodine deficiency and iodized products should be provided to those who live in areas with endemic iodine deficiency.

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Mineral Deficiency and Toxicity

Cited by 2 publications

References 88 publications

Water-soluble cations in shoot dry weight of common bean and balance of ions in the soil in response to the magnesium application

Water-soluble cations in shoot dry weight of common bean and balance of ions in the soil in response to the magnesium application

Thyroid Cancer in Children of Eastern Anatolia

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