University of Natural Resources and Life Sciences, Vienna (BOKU) - Research portal
Gewählte Master / Diploma Thesis:
Mohammed Majeed Haji Haji
(2020):
Simulation of potato (Solanum tuberosum L.) under changing climate in Austria.
Master / Diploma Thesis - Institut für Meteorologie und Klimatologie,
BOKU-Universität für Bodenkultur,
pp 77.
UB BOKU
obvsg
- Abstract:
- Potato is a crop which has been found in the world food basket for many years. The application of crop models in relation to agronomic aspects, effect of weather and climate on crops, management practices, and interactions between crops and their surrounding environment has become well-known in the last decades. Therefore, the AquaCrop simulation model was used in this study to determine the impacts of current and future climate on potato development and yield in Austria. Four sites were chosen to be simulated for potato development and yield formation (Gross-Enzersdorf for 2008-2018, Laa Thaya, Weitra and Zwettl for 2008-2017), including climate scenario in Gross-Enzersdorf for 2071-2100. Observed yield and sowing date data from Gross-Enzersdorf from 2008 to 2015 were used for model calibration, and data from Gross-Enzersdorf 2016-2018, Laa Thaya, Weitra and Zwettl 2008-2017 were used for model validation. The application of the calibrated and validated model took place on the climate scenario (Gross-Enzersdorf 2071-2100). Water stress was counted as the main stressor on potato development and production in this study. The climate scenarios for the region caused an increase in yields to some extent with uncertainty remaining in shifting sowing dates and changes in potato yield for follow-up years. In conclusion, the AquaCrop simulation model could be calibrated and validated to simulate potato development and yield formation in Austria in spite of a limited data base, and become a very useful tool for determining the impacts of the current and future climate for this crop. Further calibration and validation is recommended by using field experimental data in order to consider also cultivar specific aspects.
- Beurteilende(r): Eitzinger Josef