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- Title
Selenium in bread and durum wheats grown under a soil-supplementation regime in actual field conditions, determined by cyclic and radiochemical neutron activation analysis.
- Authors
Galinha, Catarina; Pacheco, Adriano; Freitas, Maria do; Fikrle, Marek; Kučera, Jan; Coutinho, José; Maçãs, Benvindo; Almeida, Ana; Wolterbeek, Hubert
- Abstract
This work focuses on the ability of bread and durum wheat to accumulate selenium (Se) via a soil-addition procedure at sowing time. Total Se in mature-grain samples was determined by neutron activation analysis (cyclic and radiochemical). Results show that Se-supplementation at the top rate (100 g Se ha) can increase Se contents up to 2, 16, 18 and 20 times for Jordão, Roxo, Marialva and Celta cultivars, respectively, when compared to their unsupplemented crops. These findings do not preclude the need for weighing up an eventual trade-off between agrochemical costs, field logistics and Se recovery for alternative Se-biofortification methods.
- Subjects
SELENIUM isotopes; DURUM wheat; RADIOCHEMISTRY; NUCLEAR activation analysis; AGRICULTURAL chemistry; COMPARATIVE studies
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2015, Vol 304, Issue 1, p139
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-014-3455-9