Site-specific fertilizer recommendation using data driven machine learning enhanced wheat productivity and resource use efficiency
Context Fertilizer use efficiency and profitability are very low due to blanket fertilizer recommendations in sub-Saharan Africa. It is crucial to establish tailored recommendations that account for local conditions. Countries like Ethiopia are moving towards adopting site-specific fertilizer recomm...
| Main Authors: | , , , , , , , , , |
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| Format: | Journal Article |
| Language: | Inglés |
| Published: |
Elsevier
2024
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/151745 |
| _version_ | 1855542014108499968 |
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| author | Liben, Feyera Abera, Wuletawu Chernet, Meklit Tariku Ebrahim, Mohammed Tilaye, Amsalu Erkossa, Teklu Degefie, Tibebe Degefie Mponela, Powell Kihara, Job Tamene, Lulseged D. |
| author_browse | Abera, Wuletawu Chernet, Meklit Tariku Degefie, Tibebe Degefie Ebrahim, Mohammed Erkossa, Teklu Kihara, Job Liben, Feyera Mponela, Powell Tamene, Lulseged D. Tilaye, Amsalu |
| author_facet | Liben, Feyera Abera, Wuletawu Chernet, Meklit Tariku Ebrahim, Mohammed Tilaye, Amsalu Erkossa, Teklu Degefie, Tibebe Degefie Mponela, Powell Kihara, Job Tamene, Lulseged D. |
| author_sort | Liben, Feyera |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Context
Fertilizer use efficiency and profitability are very low due to blanket fertilizer recommendations in sub-Saharan Africa. It is crucial to establish tailored recommendations that account for local conditions. Countries like Ethiopia are moving towards adopting site-specific fertilizer recommendations (SSFR) that are developed using machine learning (ML) and designed to enhance yields, profitability, and environmental benefits.
Objective
The objective of this study was to evaluate the performance of ML generated SSFR for wheat in improving resource use efficiency, yields, and profitability compared to local (LBFR) and national (NBFR) blanket fertilizer recommendations.
Methods
ML was used to develop SSFR for wheat in Ethiopia. Farmer replicated on-farm validation trials were conducted across 277 sites using a randomized complete block design. Data on farm management history, yields, and prices for fertilizer and grain were gathered using Open Data Kit (ODK) tools. Key performance metrics, including site-specific yield gains or losses, profitability, and resource use efficiencies were computed for each site. Data analysis and the presentation of results were conducted using R software packages.
Results
The study indicated variability in resource use efficiency, yields, and profits within and across the testing districts. Performance of SSFR was superior in 75% and 72%, lower in 14% and 21%, and comparable in 10% and 7% of the testing sites compared to NBFR and LBFR, respectively. SSFR led to average grain yield increase of 16% and 25% over NBFR and LBFR, respectively. P and S use efficiency were low with SSFR compared to the blanket recommendations. SSFR increased nitrogen use efficiency by 30% and water use efficiency by 0.58 kg and 0.83 kg of grain per ha per mm of water over NBFR and LBFR, respectively. Furthermore, SSFR yielded profit gain of USD580 per hectare per season over LBFR and USD412 over NBFR.
Conclusions
SSFR using ML was effective at enhancing wheat productivity, profitability, and resource use efficiency. The yield loss at a few locations and reductions in P and S use efficiency with the SSFR underscore the importance of improving the predictive ability of the ML algorithm by incorporating a broader array of variables and data from diverse wheat farming contexts.
Significance
This study underlines the innovative use of data-driven ML approach to optimize fertilizer use in developing countries. The findings support the pilot expansion of SSFR under diverse conditions to optimize fertilizer efficiency and increase crop productivity and profitability for smallholder farmers. |
| format | Journal Article |
| id | CGSpace151745 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | CGSpace1517452025-11-11T19:08:35Z Site-specific fertilizer recommendation using data driven machine learning enhanced wheat productivity and resource use efficiency Liben, Feyera Abera, Wuletawu Chernet, Meklit Tariku Ebrahim, Mohammed Tilaye, Amsalu Erkossa, Teklu Degefie, Tibebe Degefie Mponela, Powell Kihara, Job Tamene, Lulseged D. agronomic practices machine learning nutrient management fertilization Context Fertilizer use efficiency and profitability are very low due to blanket fertilizer recommendations in sub-Saharan Africa. It is crucial to establish tailored recommendations that account for local conditions. Countries like Ethiopia are moving towards adopting site-specific fertilizer recommendations (SSFR) that are developed using machine learning (ML) and designed to enhance yields, profitability, and environmental benefits. Objective The objective of this study was to evaluate the performance of ML generated SSFR for wheat in improving resource use efficiency, yields, and profitability compared to local (LBFR) and national (NBFR) blanket fertilizer recommendations. Methods ML was used to develop SSFR for wheat in Ethiopia. Farmer replicated on-farm validation trials were conducted across 277 sites using a randomized complete block design. Data on farm management history, yields, and prices for fertilizer and grain were gathered using Open Data Kit (ODK) tools. Key performance metrics, including site-specific yield gains or losses, profitability, and resource use efficiencies were computed for each site. Data analysis and the presentation of results were conducted using R software packages. Results The study indicated variability in resource use efficiency, yields, and profits within and across the testing districts. Performance of SSFR was superior in 75% and 72%, lower in 14% and 21%, and comparable in 10% and 7% of the testing sites compared to NBFR and LBFR, respectively. SSFR led to average grain yield increase of 16% and 25% over NBFR and LBFR, respectively. P and S use efficiency were low with SSFR compared to the blanket recommendations. SSFR increased nitrogen use efficiency by 30% and water use efficiency by 0.58 kg and 0.83 kg of grain per ha per mm of water over NBFR and LBFR, respectively. Furthermore, SSFR yielded profit gain of USD580 per hectare per season over LBFR and USD412 over NBFR. Conclusions SSFR using ML was effective at enhancing wheat productivity, profitability, and resource use efficiency. The yield loss at a few locations and reductions in P and S use efficiency with the SSFR underscore the importance of improving the predictive ability of the ML algorithm by incorporating a broader array of variables and data from diverse wheat farming contexts. Significance This study underlines the innovative use of data-driven ML approach to optimize fertilizer use in developing countries. The findings support the pilot expansion of SSFR under diverse conditions to optimize fertilizer efficiency and increase crop productivity and profitability for smallholder farmers. 2024-06 2024-08-20T10:01:05Z 2024-08-20T10:01:05Z Journal Article https://hdl.handle.net/10568/151745 en Limited Access application/pdf Elsevier Liben, F.; Abera, W.; Chernet, M.T.; Ebrahim, M.; Tilaye, A.; Erkossa, T.; Degefie, T.D.; Mponela, P.; Kihara, J.; Tamene, L. (2024) Site-specific fertilizer recommendation using data driven machine learning enhanced wheat productivity and resource use efficiency. Field Crops Research 313: 109413. ISSN: 0378-4290 |
| spellingShingle | agronomic practices machine learning nutrient management fertilization Liben, Feyera Abera, Wuletawu Chernet, Meklit Tariku Ebrahim, Mohammed Tilaye, Amsalu Erkossa, Teklu Degefie, Tibebe Degefie Mponela, Powell Kihara, Job Tamene, Lulseged D. Site-specific fertilizer recommendation using data driven machine learning enhanced wheat productivity and resource use efficiency |
| title | Site-specific fertilizer recommendation using data driven machine learning enhanced wheat productivity and resource use efficiency |
| title_full | Site-specific fertilizer recommendation using data driven machine learning enhanced wheat productivity and resource use efficiency |
| title_fullStr | Site-specific fertilizer recommendation using data driven machine learning enhanced wheat productivity and resource use efficiency |
| title_full_unstemmed | Site-specific fertilizer recommendation using data driven machine learning enhanced wheat productivity and resource use efficiency |
| title_short | Site-specific fertilizer recommendation using data driven machine learning enhanced wheat productivity and resource use efficiency |
| title_sort | site specific fertilizer recommendation using data driven machine learning enhanced wheat productivity and resource use efficiency |
| topic | agronomic practices machine learning nutrient management fertilization |
| url | https://hdl.handle.net/10568/151745 |
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