Cereal Research Communications
Volume/Issue:
Volume 37: Issue 2
Drought impact on variability crop yields in Central Bohemia
Authors:
V. Potop Czech University of Life Sciences Prague Department of Agroecology and Biometeorology, Food and Natural Resources, Faculty of Agrobiology Prague Czech Republic

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L. Türkott Czech University of Life Sciences Prague Department of Agroecology and Biometeorology, Food and Natural Resources, Faculty of Agrobiology Prague Czech Republic

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V. Kožnarová Czech University of Life Sciences Prague Department of Agroecology and Biometeorology, Food and Natural Resources, Faculty of Agrobiology Prague Czech Republic

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Pages:
295–304
Online Publication Date:
28 May 2009
Publication Date:
01 Jun 2009
Article Category:
Research Article
DOI:
https://doi.org/10.1556/crc.37.2009.2.18
Keywords:
drought; variability; yield; cereal crop models; impact
Restricted access

This paper presents the results of a study on the estimation of drought impact on fluctuation yield cereal crops in Central Bohemia. Historical climate and crop yields data for the period of 47 years (1961–2007) have been integrated into an agrometeorological database. The objective of this paper was to determine the drought impact on yield of winter and spring cereals crops on an example for the Central Bohemian region. According to crops variability models the most of low yielding years (from 3 to 5 cases) were noticed at the beginning of the 1960s and 1970s, reaching their highest points in the decade of 1991–2000 (from 3 and 8 cases). In the case of the most serious crop failures in grain production in the Central Bohemian region (1964, 1976, 2000, 2003), droughts were responsible. In agreement with the developed model, the drought impact was associated with cereals detrended yield being smaller than y i(T) ≤ −05 σ . A year has the following types of drought impact: yield detrended of −05 σ ≥ y i(T) > − σ is a low drought effect; − σ ≥ y i(T) > −15 σ is a middle drought effect and y i(T) ≤ −15 σ means a high drought effect.

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Cover Cereal Research Communications
Cereal Research Communications A Quarterly of the Cereal Research Non-Profit Ltd. Company
Print ISSN:
0133-3720
Online ISSN:
1788-9170

 

 

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Cereal Research Communications
Language English
Size A4
Year of
Foundation		 1973
Volumes
per Year		 1
Issues
per Year		 4
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0133-3720 (Print)
ISSN 1788-9170 (Online)

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