Effect of Nitrogen and Sulphur Fertilisation on Yields, Nitrates and Cysteine and Methionine Content in Onion (Allium cepa L.)

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43210%2F10%3A00130505" target="_blank" >RIV/62156489:43210/10:00130505 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Effect of Nitrogen and Sulphur Fertilisation on Yields, Nitrates and Cysteine and Methionine Content in Onion (Allium cepa L.)

Original language description

This study explored the interactive effects of two doses of nitrogen and two levels of soil sulphur on onion yields, nitrate content and concentration of the amino acids cysteine and methionine under accurately controlled conditions. Onions were cultivated in Mitscherlich pots with 6 kg of soil with a low content of sulphates (5 ppm, S0) or a high content (30 ppm, S1) with added doses of 0.6 (N1) and 1.2 (N2) g N pot-1 as (NH4)2SO4 and NH4NO3. There were no significant differences (P<0.05) in onion yields between the two N doses. The higher sulphur content (S1) increased yields by 7.0-8.4% compared with S0 for both doses of nitrogen. The nitrate content in fresh onion increased with nitrogen dose (225 and 566 mg NO3/kg for N1 and N2 respectively). Highsulphur reduced the nitrate content of onions by 19.3-20.5% depending on nitrogen dose. The contents of cysteine and methionine increased by on average 39.1% and 25%, respectively, with increasing nitrogen dose. Soil sulphur content did

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

GD - Fertilization, irrigation, soil treatment

OECD FORD branch

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Project

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Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2010

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Acta horticulturae

ISSN

0567-7572

e-ISSN

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Volume of the periodical

852

Issue of the periodical within the volume

1

Country of publishing house

BE - BELGIUM

Number of pages

7

Pages from-to

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UT code for WoS article

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EID of the result in the Scopus database

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