Simulating maize yield in sub-tropical conditions of southern Brazil using Glam model
The objective of this work was to evaluate the feasibility of simulating maize yield in a sub‑tropical region of southern Brazil using the general large area model (Glam). A 16‑year time series of daily weather data were used. The model was adjusted and tested as an alternative for simulating maize...
| Autores principales: | , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
FapUNIFESP
2013
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/52070 |
| _version_ | 1855543506536235008 |
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| author | Bergamaschi H Costa, S.M.S. da Wheeler TR Challinor, Andrew J. |
| author_browse | Bergamaschi H Challinor, Andrew J. Costa, S.M.S. da Wheeler TR |
| author_facet | Bergamaschi H Costa, S.M.S. da Wheeler TR Challinor, Andrew J. |
| author_sort | Bergamaschi H |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The objective of this work was to evaluate the feasibility of simulating maize yield in a sub‑tropical region of southern Brazil using the general large area model (Glam). A 16‑year time series of daily weather data were used. The model was adjusted and tested as an alternative for simulating maize yield at small and large spatial scales. Simulated and observed grain yields were highly correlated (r above 0.8; p<0.01) at large scales (greater than 100,000 km2), with variable and mostly lower correlations (r from 0.65 to 0.87; p<0.1) at small spatial scales (lower than 10,000 km2). Large area models can contribute to monitoring or forecasting regional patterns of variability in maize production in the region, providing a basis for agricultural decision making, and Glam‑Maize is one of the alternatives. |
| format | Journal Article |
| id | CGSpace52070 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2013 |
| publishDateRange | 2013 |
| publishDateSort | 2013 |
| publisher | FapUNIFESP |
| publisherStr | FapUNIFESP |
| record_format | dspace |
| spelling | CGSpace520702024-11-15T08:53:14Z Simulating maize yield in sub-tropical conditions of southern Brazil using Glam model Bergamaschi H Costa, S.M.S. da Wheeler TR Challinor, Andrew J. climate agriculture zea mays crop modelling The objective of this work was to evaluate the feasibility of simulating maize yield in a sub‑tropical region of southern Brazil using the general large area model (Glam). A 16‑year time series of daily weather data were used. The model was adjusted and tested as an alternative for simulating maize yield at small and large spatial scales. Simulated and observed grain yields were highly correlated (r above 0.8; p<0.01) at large scales (greater than 100,000 km2), with variable and mostly lower correlations (r from 0.65 to 0.87; p<0.1) at small spatial scales (lower than 10,000 km2). Large area models can contribute to monitoring or forecasting regional patterns of variability in maize production in the region, providing a basis for agricultural decision making, and Glam‑Maize is one of the alternatives. 2013-02 2014-12-16T06:37:30Z 2014-12-16T06:37:30Z Journal Article https://hdl.handle.net/10568/52070 en Open Access FapUNIFESP Bergamaschi H, da Costa SMS, Wheeler TR, Challinor AJ. 2013. Simulating maize yield in sub-tropical conditions of southern Brazil using Glam model. Pesquisa Agropecuaria Brasileira: 48(2):132-140. |
| spellingShingle | climate agriculture zea mays crop modelling Bergamaschi H Costa, S.M.S. da Wheeler TR Challinor, Andrew J. Simulating maize yield in sub-tropical conditions of southern Brazil using Glam model |
| title | Simulating maize yield in sub-tropical conditions of southern Brazil using Glam model |
| title_full | Simulating maize yield in sub-tropical conditions of southern Brazil using Glam model |
| title_fullStr | Simulating maize yield in sub-tropical conditions of southern Brazil using Glam model |
| title_full_unstemmed | Simulating maize yield in sub-tropical conditions of southern Brazil using Glam model |
| title_short | Simulating maize yield in sub-tropical conditions of southern Brazil using Glam model |
| title_sort | simulating maize yield in sub tropical conditions of southern brazil using glam model |
| topic | climate agriculture zea mays crop modelling |
| url | https://hdl.handle.net/10568/52070 |
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