Selenium Deficiency and Toxicity in the Environment

Fordyce, F.M.

doi:10.1007/978-94-007-4375-5_16

Cited by 384 publications

(417 citation statements)

References 68 publications

(69 reference statements)

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“…In this study only water-extractable Se was measured, it is likely that selenite and organic Se were the predominant forms present in solution, which explains why the addition of 10 g selenate ha −1 to a soil already containing c. 100 g Se ha −1 had such a strong effect. Plants absorb Se from the soil primarily as selenate and plant Se uptake is greater when plants are treated with selenate compared to selenite (Fordyce 2005;Sharma et al 2010).…”

Section: Discussionmentioning

confidence: 99%

The effect of catch crop species on selenium availability for succeeding crops

2011

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Background and Aims Selenium (Se) is an essential nutrient for humans and animals. In order to ensure an optimal concentration of Se in crops, Se fertilisers are applied. Catch crops may be an alternative way to increase Se concentrations in vegetables.Methods Three experiments in Denmark between 2007-10 investigated the ability of catch crops (Italian ryegrass, fodder radish and hairy vetch) under different fertiliser regimes to reduce soil Se content in the autumn and to increase its availability in spring to the succeeding crop. Results and Conclusions The catch crops (Italian ryegrass and fodder radish) increased water-extractable Se content in the 0.25-0.75 m soil layer in only one of the experiments. Selenium uptake by the catch crops varied between 65 and 3263 mg ha −1 , depending on species, year and fertilisation treatment; this corresponded to 0.1-3.0% of the water-extractable soil Se content. The influence of catch crops on Se concentrations and uptake in onions and cabbage was low. There was a decrease in Se uptake and recovery of applied Se by onions following catch crops, which might indicate Se immobilisation during catch crop decomposition.

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Section: Discussionmentioning

confidence: 99%

The effect of catch crop species on selenium availability for succeeding crops

2011

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“…Selenium is a unique indispensable element in that it takes the place of sulfur in cysteine to form the 21 st amino acid selenocysteine that is directly integrated into selenoproteins, as compared to other metals that act as prosthetic groups or cofactors [16]. Numerous immune impairment conditions are linked with selenium deficiency.…”

Section: Introductionmentioning

confidence: 99%

Serum Selenium Concentration and Subsequent Risk of Diabetes Miletus in Pakistan

Alam¹,

Ali²,

Lodhi³

et al. 2017

J Diabetic Complications Med

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“…Se content in soils varies considerably, and its availability in agricultural soils is usually low; therefore, Se is often used in fertilizers for crops (Fordyce, 2013). Several researchers have described Se application to plants (Bittman et al, 2000;Xue et al, 2001;Rayman, 2008;Becvort-Azcurra et al, 2012;Castillo-Godina et al, 2016), observing a positive effect on antioxidant activity, productivity and yield, and biofortification of leaves and fruits.…”

Section: Introductionmentioning

confidence: 99%