Determining Factors Affecting the Soil Water Content and Yield of Selected Crops in a Field Experiment with a Rainout Shelter and a Control Plot in the Czech Republic

Sabina Thaler (), Eva Pohankova, Josef Eitzinger, Petr Hlavinka, Matěj Orság, Vojtěch Lukas, Martin Brtnický, Pavel Růžek, Jana Šimečková, Tomáš Ghisi, Jakub Bohuslav, Karel Klem and Mirek Trnka
Additional contact information
Sabina Thaler: Institute of Meteorology and Climatology, University of Natural Resources and Life Sciences (BOKU), Gregor-Mendel-Straße 33, 1180 Vienna, Austria
Eva Pohankova: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic
Josef Eitzinger: Institute of Meteorology and Climatology, University of Natural Resources and Life Sciences (BOKU), Gregor-Mendel-Straße 33, 1180 Vienna, Austria
Petr Hlavinka: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic
Matěj Orság: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic
Vojtěch Lukas: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic
Martin Brtnický: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic
Pavel Růžek: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic
Jana Šimečková: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic
Tomáš Ghisi: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic
Jakub Bohuslav: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic
Karel Klem: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic
Mirek Trnka: CzechGlobe-Global Change Research Institute CAS, Belidla 986, 4a, 603 00 Brno, Czech Republic

Agriculture, 2023, vol. 13, issue 7, 1-26

Abstract: To investigate the different responses of crops to drought stress under field conditions of Central European Climate for selected crop rotations, a field experiment was conducted at a test site in the Czech Republic from 2014 to 2021. Depending on the crop, rainout shelters were placed in late spring and early summer to study the effects of drought in the final stages of crop development. Due to these rainout shelters and the associated lower water availability for the crops during the summer, a reduction in leaf area index, biomass and yield was observed. For example, a yield decrease of more than 30% was observed for spring barley, winter rape and winter wheat compared to conditions without rainout shelters. The reduction was 25% and 18% for winter rye and silage maize, respectively, under rainout shelters. Soil moisture played a significant role in yield, where a predictive model based on monthly soil moisture explained up to 79% (winter rape) of the yield variance.

Keywords: precipitation manipulation experiment; crop rotation; soil moisture; agricultural drought (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
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