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Agricultural drought and spring barley yields in the Czech Republic

Author

Listed:
  • M. Trnka

    (Institute of Agrosystems and Bioclimatology, Mendel University of Agriculture and Forestry in Brno, Czech Republic)

  • P. Hlavinka

    (Institute of Agrosystems and Bioclimatology, Mendel University of Agriculture and Forestry in Brno, Czech Republic)

  • D. Semerádová

    (Institute of Agrosystems and Bioclimatology, Mendel University of Agriculture and Forestry in Brno, Czech Republic)

  • M. Dubrovský

    (Institute of Atmospheric Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic)

  • Z. Žalud

    (Institute of Agrosystems and Bioclimatology, Mendel University of Agriculture and Forestry in Brno, Czech Republic)

  • M. Možný

    (Agrometeorological Observatory in Doksany, Czech Hydrometeorological Institute, Prague, Czech Republic)

Abstract

The relationship between detrended district yields of spring barley (1961-2000) and meteorological drought was assessed by Palmer Z-index. We found that the seasonal water balance (April-June) significantly (P = 0.05) influences the spring barley production in 51 out of 62 evaluated districts. Coefficients of correlation varied in individual districts from 0.19 to 0.70, with the highest values being found in southern Moravia. Data analysis revealed the presence of six distinct groups of districts with a specific drought-yield relationship. The most drought-sensitive cluster included five districts in the South East of the country. On the other hand, the districts in Northern Moravia and Silesia belong among the least sensitive to agricultural drought. The study also defined threshold values of seasonal drought (sums of relative Palmer Z-index lower than -8 and -10, respectively), below which medium to severe spring barley yield reductions are very likely, regardless of the district of occurrence.

Suggested Citation

  • M. Trnka & P. Hlavinka & D. Semerádová & M. Dubrovský & Z. Žalud & M. Možný, 2007. "Agricultural drought and spring barley yields in the Czech Republic," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 53(7), pages 306-316.
    • Handle: RePEc:caa:jnlpse:v:53:y:2007:i:7:id:2210-pse
    DOI: 10.17221/2210-PSE
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    Citations

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    Cited by:

    1. P. Gao & Z.J. Li & G.C. Zhang & Z.X. Liu, 2009. "Rainwater efficient use of the cellar-greenhouse system on slope land in hilly semi-arid area of North China," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 55(4), pages 146-153.
    2. J. Černý & J. Balík & M. Kulhánek & K. Čásová & V. Nedvěd, 2010. "Mineral and organic fertilization efficiency in long-term stationary experiments," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 56(1), pages 28-36.
    3. H. Klikocka & B. Narolski & G. Michałkiewicz, 2014. "The effects of tillage and soil mineral fertilization on the yield and yield components of spring barley," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 60(6), pages 255-261.
    4. J. Haberle & P. Svoboda & I. Raimanová, 2008. "The effect of post-anthesis water supply on grain nitrogen concentration and grain nitrogen Šeld of winter wheat," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 54(7), pages 304-312.

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