Calibration and Validation of AQUACROP and APSIM Models to Optimize Wheat Yield and Water Saving in Arid Regions
The APSIM-Wheat and AQUACROP models were calibrated for the Sakha 95 cultivar using phenological data, grain and biomass yield, and genetic parameters based on field observation. Various treatments of planting dates, irrigation, and fertilization were applied over the two successive winter growing s...
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MDPI AG
2021-12-01
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| Online Access: | https://www.mdpi.com/2073-445X/10/12/1375 |
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| author | Ahmed M. S. Kheir Hiba M. Alkharabsheh Mahmoud F. Seleiman Adel M. Al-Saif Khalil A. Ammar Ahmed Attia Medhat G. Zoghdan Mahmoud M. A. Shabana Hesham Aboelsoud Calogero Schillaci |
| author_facet | Ahmed M. S. Kheir Hiba M. Alkharabsheh Mahmoud F. Seleiman Adel M. Al-Saif Khalil A. Ammar Ahmed Attia Medhat G. Zoghdan Mahmoud M. A. Shabana Hesham Aboelsoud Calogero Schillaci |
| author_sort | Ahmed M. S. Kheir |
| collection | DOAJ |
| description | The APSIM-Wheat and AQUACROP models were calibrated for the Sakha 95 cultivar using phenological data, grain and biomass yield, and genetic parameters based on field observation. Various treatments of planting dates, irrigation, and fertilization were applied over the two successive winter growing seasons of 2019/2020 and 2020/2021. Both models simulated anthesis, maturity dates, grain yield, and aboveground biomass accurately with high performances (coefficient of determination, index of agreement greater than 0.8, and lower values of root mean square deviation) in most cases. The calibrated models were then employed to explore wheat yield and water productivity (WP) in response to irrigation and nitrogen fertilization applications. Scenario analyses indicated that water productivity and yield of wheat ranged from 1.2–2.0 kg m<sup>–3</sup> and 6.8–8.7 t ha<sup>–1</sup>, respectively. Application of 0.8 from actual evapotranspiration and 120% from recommended nitrogen dose was the best-predicted scenario achieving the highest value of crop WP. Investigating the suitable option achieving the current wheat yield by farmers (7.4 t ha<sup>–1</sup>), models demonstrated that application of 1.4 from actual evapotranspiration with 80% of the recommended nitrogen dose was the best option to achieve this yield. At this point, predicted WP was low and recorded 1.5 kg m<sup>–3</sup>. Quantifying wheat yield in all districts of the studied area was also predicted using both models. APSIM-Wheat and AQUACROP can be used to drive the best management strategies in terms of N fertilizer and water regime for wheat under Egyptian conditions. |
| first_indexed | 2024-03-10T03:44:35Z |
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| issn | 2073-445X |
| language | English |
| last_indexed | 2024-03-10T03:44:35Z |
| publishDate | 2021-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Land |
| spelling | doaj.art-100c869d29924016b7b186e7b1e29dd02023-11-23T09:11:33ZengMDPI AGLand2073-445X2021-12-011012137510.3390/land10121375Calibration and Validation of AQUACROP and APSIM Models to Optimize Wheat Yield and Water Saving in Arid RegionsAhmed M. S. Kheir0Hiba M. Alkharabsheh1Mahmoud F. Seleiman2Adel M. Al-Saif3Khalil A. Ammar4Ahmed Attia5Medhat G. Zoghdan6Mahmoud M. A. Shabana7Hesham Aboelsoud8Calogero Schillaci9International Center for Biosaline Agriculture, ICBA, Dubai 14660, United Arab EmiratesDepartment of Water Resources and Environmental Management, Faculty of Agricultural Technology, Al Balqa Applied University, Salt 19117, JordanPlant Production Department, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi ArabiaPlant Production Department, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi ArabiaInternational Center for Biosaline Agriculture, ICBA, Dubai 14660, United Arab EmiratesInternational Center for Biosaline Agriculture, ICBA, Dubai 14660, United Arab EmiratesAgricultural Research Center, Soils, Water and Environment Research Institute, Giza 12112, EgyptAgricultural Research Center, Soils, Water and Environment Research Institute, Giza 12112, EgyptAgricultural Research Center, Soils, Water and Environment Research Institute, Giza 12112, EgyptDepartment of Agricultural and Environmental Sciences, University of Milan, via Celoria 2, 20133 Milano, ItalyThe APSIM-Wheat and AQUACROP models were calibrated for the Sakha 95 cultivar using phenological data, grain and biomass yield, and genetic parameters based on field observation. Various treatments of planting dates, irrigation, and fertilization were applied over the two successive winter growing seasons of 2019/2020 and 2020/2021. Both models simulated anthesis, maturity dates, grain yield, and aboveground biomass accurately with high performances (coefficient of determination, index of agreement greater than 0.8, and lower values of root mean square deviation) in most cases. The calibrated models were then employed to explore wheat yield and water productivity (WP) in response to irrigation and nitrogen fertilization applications. Scenario analyses indicated that water productivity and yield of wheat ranged from 1.2–2.0 kg m<sup>–3</sup> and 6.8–8.7 t ha<sup>–1</sup>, respectively. Application of 0.8 from actual evapotranspiration and 120% from recommended nitrogen dose was the best-predicted scenario achieving the highest value of crop WP. Investigating the suitable option achieving the current wheat yield by farmers (7.4 t ha<sup>–1</sup>), models demonstrated that application of 1.4 from actual evapotranspiration with 80% of the recommended nitrogen dose was the best option to achieve this yield. At this point, predicted WP was low and recorded 1.5 kg m<sup>–3</sup>. Quantifying wheat yield in all districts of the studied area was also predicted using both models. APSIM-Wheat and AQUACROP can be used to drive the best management strategies in terms of N fertilizer and water regime for wheat under Egyptian conditions.https://www.mdpi.com/2073-445X/10/12/1375calibration<i>Triticum aestivum</i> L.irrigation and fertilization optionswater productivity |
| spellingShingle | Ahmed M. S. Kheir Hiba M. Alkharabsheh Mahmoud F. Seleiman Adel M. Al-Saif Khalil A. Ammar Ahmed Attia Medhat G. Zoghdan Mahmoud M. A. Shabana Hesham Aboelsoud Calogero Schillaci Calibration and Validation of AQUACROP and APSIM Models to Optimize Wheat Yield and Water Saving in Arid Regions Land calibration <i>Triticum aestivum</i> L. irrigation and fertilization options water productivity |
| title | Calibration and Validation of AQUACROP and APSIM Models to Optimize Wheat Yield and Water Saving in Arid Regions |
| title_full | Calibration and Validation of AQUACROP and APSIM Models to Optimize Wheat Yield and Water Saving in Arid Regions |
| title_fullStr | Calibration and Validation of AQUACROP and APSIM Models to Optimize Wheat Yield and Water Saving in Arid Regions |
| title_full_unstemmed | Calibration and Validation of AQUACROP and APSIM Models to Optimize Wheat Yield and Water Saving in Arid Regions |
| title_short | Calibration and Validation of AQUACROP and APSIM Models to Optimize Wheat Yield and Water Saving in Arid Regions |
| title_sort | calibration and validation of aquacrop and apsim models to optimize wheat yield and water saving in arid regions |
| topic | calibration <i>Triticum aestivum</i> L. irrigation and fertilization options water productivity |
| url | https://www.mdpi.com/2073-445X/10/12/1375 |
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