Efficiency of drip irrigation in amaranth production using the HYDRUS-1D model
The negative impact of climate change is potentially damaging agroecosystem services that have constrained agricultural production and caused water scarcity in Central Asian countries, particularly in Uzbekistan. This study evaluates the efficiency of full (FDI) and deficit (DDI) drip irrigation reg...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2025-06-01
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| Series: | Frontiers in Sustainable Food Systems |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fsufs.2025.1612679/full |
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| author | Akmal Karimov Bakhodir Khalikov Sabirjan Isaev Obidjon Sindarov Kholmurod Khayitov Mirzoolim Avliyakulov Anvarjon Isashov Perizat Bulanbayeva Altingul Djumanazarova Yo'ldoshbek Muhammadov Nurmamat Rajabov Gulnoza Murtazayeva Shaniyaz Kurbanov Kholik Allanov Botir Khaitov |
| author_facet | Akmal Karimov Bakhodir Khalikov Sabirjan Isaev Obidjon Sindarov Kholmurod Khayitov Mirzoolim Avliyakulov Anvarjon Isashov Perizat Bulanbayeva Altingul Djumanazarova Yo'ldoshbek Muhammadov Nurmamat Rajabov Gulnoza Murtazayeva Shaniyaz Kurbanov Kholik Allanov Botir Khaitov |
| author_sort | Akmal Karimov |
| collection | DOAJ |
| description | The negative impact of climate change is potentially damaging agroecosystem services that have constrained agricultural production and caused water scarcity in Central Asian countries, particularly in Uzbekistan. This study evaluates the efficiency of full (FDI) and deficit (DDI) drip irrigation regimes for amaranth (Amaranthus spp.) cultivation in the Tashkent region of Uzbekistan using the HYDRUS-1D simulation model. Field experiments were conducted over two growing seasons, accompanied by soil moisture monitoring, root zone analysis, and crop performance measurements while the accuracy of the obtained results was assessed against ground measured data. The results showed that compared to the FDI regime, amaranth under the DDI improved water productivity by 56.5% while exhibiting tolerance to water scarcity. The Pearson correlation analysis revealed a strong relationship between the simulated and observed SWC data for both irrigation regimes (R2 = 0.862 for FDI and R2 = 0.936 for DDI), indicating the model’s predictive reliability. Although FDI produced higher yield (2004 kg/ha) over the two-year period, which was 25% (2 t ha−1) higher than the DDI regime (1,604 kg/ha). However, DDI demonstrated significantly greater water productivity (56.5% higher), attributed to reduced unproductive evaporation and the C4 nature of amaranth. Root system analysis revealed deeper penetration under DDI, suggesting adaptive responses to water stress. The findings of this study suggest that implementing precise irrigation technology in amaranth cultivation combined with the use of the HYDRUS-1D model in the context of inevitable climate change, can ensure the long-term sustainable management of water and land resources in arid regions. |
| format | Article |
| id | doaj-art-fe10d4d921364804996b96bef79e5ef6 |
| institution | Kabale University |
| issn | 2571-581X |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Sustainable Food Systems |
| spelling | doaj-art-fe10d4d921364804996b96bef79e5ef62025-08-20T03:24:43ZengFrontiers Media S.A.Frontiers in Sustainable Food Systems2571-581X2025-06-01910.3389/fsufs.2025.16126791612679Efficiency of drip irrigation in amaranth production using the HYDRUS-1D modelAkmal Karimov0Bakhodir Khalikov1Sabirjan Isaev2Obidjon Sindarov3Kholmurod Khayitov4Mirzoolim Avliyakulov5Anvarjon Isashov6Perizat Bulanbayeva7Altingul Djumanazarova8Yo'ldoshbek Muhammadov9Nurmamat Rajabov10Gulnoza Murtazayeva11Shaniyaz Kurbanov12Kholik Allanov13Botir Khaitov14National Research University Tashkent Institute of Irrigation and Agricultural Mechanical Engineers, Tashkent, UzbekistanCotton Breeding, Seed Production and Agrotechnologies Research Institute, Tashkent, UzbekistanNational Research University Tashkent Institute of Irrigation and Agricultural Mechanical Engineers, Tashkent, UzbekistanNational Research University Tashkent Institute of Irrigation and Agricultural Mechanical Engineers, Tashkent, UzbekistanNational Research University Tashkent Institute of Irrigation and Agricultural Mechanical Engineers, Tashkent, UzbekistanCotton Breeding, Seed Production and Agrotechnologies Research Institute, Tashkent, UzbekistanAndijan Institute of Agriculture and Agrotechnologies, Andijan, UzbekistanDepartment of Water Resources and Land Management, Korkyt Ata Kyzylorda University, Kyzylorda, KazakhstanInstitute of Agriculture and Agrotechnologies of Karakalpakstan, Nukus, Karakalpakstan, UzbekistanCenter of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanNational Research University Tashkent Institute of Irrigation and Agricultural Mechanical Engineers, Tashkent, UzbekistanNational Research University Tashkent Institute of Irrigation and Agricultural Mechanical Engineers, Tashkent, UzbekistanDepartment of Physiology, Karshi State University, Karshi, UzbekistanDepartment of Agriculture and Land Reclamation, Tashkent State Agrarian University, Tashkent, UzbekistanDepartment of Agriculture and Land Reclamation, Tashkent State Agrarian University, Tashkent, UzbekistanThe negative impact of climate change is potentially damaging agroecosystem services that have constrained agricultural production and caused water scarcity in Central Asian countries, particularly in Uzbekistan. This study evaluates the efficiency of full (FDI) and deficit (DDI) drip irrigation regimes for amaranth (Amaranthus spp.) cultivation in the Tashkent region of Uzbekistan using the HYDRUS-1D simulation model. Field experiments were conducted over two growing seasons, accompanied by soil moisture monitoring, root zone analysis, and crop performance measurements while the accuracy of the obtained results was assessed against ground measured data. The results showed that compared to the FDI regime, amaranth under the DDI improved water productivity by 56.5% while exhibiting tolerance to water scarcity. The Pearson correlation analysis revealed a strong relationship between the simulated and observed SWC data for both irrigation regimes (R2 = 0.862 for FDI and R2 = 0.936 for DDI), indicating the model’s predictive reliability. Although FDI produced higher yield (2004 kg/ha) over the two-year period, which was 25% (2 t ha−1) higher than the DDI regime (1,604 kg/ha). However, DDI demonstrated significantly greater water productivity (56.5% higher), attributed to reduced unproductive evaporation and the C4 nature of amaranth. Root system analysis revealed deeper penetration under DDI, suggesting adaptive responses to water stress. The findings of this study suggest that implementing precise irrigation technology in amaranth cultivation combined with the use of the HYDRUS-1D model in the context of inevitable climate change, can ensure the long-term sustainable management of water and land resources in arid regions.https://www.frontiersin.org/articles/10.3389/fsufs.2025.1612679/fullamarantharid regioncrop yielddrip irrigationHYDRUS-1D simulation modelwater use efficiency |
| spellingShingle | Akmal Karimov Bakhodir Khalikov Sabirjan Isaev Obidjon Sindarov Kholmurod Khayitov Mirzoolim Avliyakulov Anvarjon Isashov Perizat Bulanbayeva Altingul Djumanazarova Yo'ldoshbek Muhammadov Nurmamat Rajabov Gulnoza Murtazayeva Shaniyaz Kurbanov Kholik Allanov Botir Khaitov Efficiency of drip irrigation in amaranth production using the HYDRUS-1D model Frontiers in Sustainable Food Systems amaranth arid region crop yield drip irrigation HYDRUS-1D simulation model water use efficiency |
| title | Efficiency of drip irrigation in amaranth production using the HYDRUS-1D model |
| title_full | Efficiency of drip irrigation in amaranth production using the HYDRUS-1D model |
| title_fullStr | Efficiency of drip irrigation in amaranth production using the HYDRUS-1D model |
| title_full_unstemmed | Efficiency of drip irrigation in amaranth production using the HYDRUS-1D model |
| title_short | Efficiency of drip irrigation in amaranth production using the HYDRUS-1D model |
| title_sort | efficiency of drip irrigation in amaranth production using the hydrus 1d model |
| topic | amaranth arid region crop yield drip irrigation HYDRUS-1D simulation model water use efficiency |
| url | https://www.frontiersin.org/articles/10.3389/fsufs.2025.1612679/full |
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