A Comparison of indexes to estimate corn S uptake and S mineralization in the field
The development of simple predictors of sulfur (S) mineralization and its correlation with field-derived data may help improving corn S availability diagnosis. The objectives of this study were (1) to compare methods to estimate soil S mineralization, (2) to develop a model to predict soil S mineral...
| Autores principales: | , , , , , |
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| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Inglés |
| Publicado: |
2018
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| Acceso en línea: | http://hdl.handle.net/20.500.12123/2137 https://link.springer.com/article/10.1007/s00374-018-1266-9 https://doi.org/10.1007/s00374-018-1266-9 |
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| author | Carciochi, Walter Daniel Wyngaard, Nicolás Divito, Guillermo Adrián Cabrera, Miguel L. Reussi Calvo, Nahuel Ignacio Echeverria, Hernan Eduardo |
| author_browse | Cabrera, Miguel L. Carciochi, Walter Daniel Divito, Guillermo Adrián Echeverria, Hernan Eduardo Reussi Calvo, Nahuel Ignacio Wyngaard, Nicolás |
| author_facet | Carciochi, Walter Daniel Wyngaard, Nicolás Divito, Guillermo Adrián Cabrera, Miguel L. Reussi Calvo, Nahuel Ignacio Echeverria, Hernan Eduardo |
| author_sort | Carciochi, Walter Daniel |
| collection | INTA Digital |
| description | The development of simple predictors of sulfur (S) mineralization and its correlation with field-derived data may help improving corn S availability diagnosis. The objectives of this study were (1) to compare methods to estimate soil S mineralization, (2) to develop a model to predict soil S mineralization from S mineralization indexes and edaphic variables, and (3) to predict fieldgrown
corn S uptake (Suptake) and apparent S mineralization (Smin-app) from different S mineralization indexes and edaphicclimatic
variables.We evaluated 26 experimental sites where we measured edaphic variables as soil organic C (SOC), organic C in the particulate fraction (C-PF), S mineralization potential (Smin-10wk), S mineralized during a short-term (7 days) aerobic incubation + initial inorganic S (Smin-7d+ Sinorg), and N mineralized during a short-term (7 days) anaerobic incubation (Nan). Additionally, 18 field experiments were carried out to quantify Suptake and Smin-app. TheC-PF, Smin-7d+ Sinorg, Nan, and SOC were variables significantly correlated with Smin-10wk (r = 0.89, 0.89, 0.88, and 0.85, respectively). We developed a simple model to
predict Smin-10wk from selected edaphic variables (Smin-10wk= 0.038*Nan + 0.106*SOC + 0.74; Ra 2 = 0.87). The Smin-10wk, C-PF, and Smin-7d+ Sinorg showed a liner-plateau association with Suptake (R2 = 0.73, 0.53, and 0.48, respectively). We modified the method to estimate Smin-app to account for S losses (Smin-app (modified)) and developed a model to predict Smin-app (modified) from CPF (Smin-app (modified)= 4.65*C-PF + 9.86; R2 = 0.62) or Smin-10wk (Smin-app (modified)= 3.0*Smin-10wk+ 7.4; R2 = 0.54). Our results demonstrate that S mineralization indexes can be used to predict corn S availability under field conditions. |
| format | info:ar-repo/semantics/artículo |
| id | INTA2137 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| record_format | dspace |
| spelling | INTA21372020-06-09T14:27:30Z A Comparison of indexes to estimate corn S uptake and S mineralization in the field Carciochi, Walter Daniel Wyngaard, Nicolás Divito, Guillermo Adrián Cabrera, Miguel L. Reussi Calvo, Nahuel Ignacio Echeverria, Hernan Eduardo Fertilidad del Suelo Experimentación en Campo Azufre Mineralización Soil Fertility Field Experimentation Sulphur Mineralization The development of simple predictors of sulfur (S) mineralization and its correlation with field-derived data may help improving corn S availability diagnosis. The objectives of this study were (1) to compare methods to estimate soil S mineralization, (2) to develop a model to predict soil S mineralization from S mineralization indexes and edaphic variables, and (3) to predict fieldgrown corn S uptake (Suptake) and apparent S mineralization (Smin-app) from different S mineralization indexes and edaphicclimatic variables.We evaluated 26 experimental sites where we measured edaphic variables as soil organic C (SOC), organic C in the particulate fraction (C-PF), S mineralization potential (Smin-10wk), S mineralized during a short-term (7 days) aerobic incubation + initial inorganic S (Smin-7d+ Sinorg), and N mineralized during a short-term (7 days) anaerobic incubation (Nan). Additionally, 18 field experiments were carried out to quantify Suptake and Smin-app. TheC-PF, Smin-7d+ Sinorg, Nan, and SOC were variables significantly correlated with Smin-10wk (r = 0.89, 0.89, 0.88, and 0.85, respectively). We developed a simple model to predict Smin-10wk from selected edaphic variables (Smin-10wk= 0.038*Nan + 0.106*SOC + 0.74; Ra 2 = 0.87). The Smin-10wk, C-PF, and Smin-7d+ Sinorg showed a liner-plateau association with Suptake (R2 = 0.73, 0.53, and 0.48, respectively). We modified the method to estimate Smin-app to account for S losses (Smin-app (modified)) and developed a model to predict Smin-app (modified) from CPF (Smin-app (modified)= 4.65*C-PF + 9.86; R2 = 0.62) or Smin-10wk (Smin-app (modified)= 3.0*Smin-10wk+ 7.4; R2 = 0.54). Our results demonstrate that S mineralization indexes can be used to predict corn S availability under field conditions. EEA Balcarce Fil: Carciocchi, Walter Daniel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Wyngaard, Nicolás. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Divito, Guillermo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Cabrera, Miguel L. University of Georgia. Crop and Soil Sciences Department; Estados Unidos Fil: Reussi Calvo, Nahuel Ignacio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Echeverria, Hernan Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina 2018-03-27T15:53:07Z 2018-03-27T15:53:07Z 2018-04 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/2137 https://link.springer.com/article/10.1007/s00374-018-1266-9 0178-2762 (Print) 1432-0789 (Online) https://doi.org/10.1007/s00374-018-1266-9 eng info:eu-repo/semantics/restrictedAccess application/pdf Biology and fertility of soils 54 (3) : 349–362. (April 2018) |
| spellingShingle | Fertilidad del Suelo Experimentación en Campo Azufre Mineralización Soil Fertility Field Experimentation Sulphur Mineralization Carciochi, Walter Daniel Wyngaard, Nicolás Divito, Guillermo Adrián Cabrera, Miguel L. Reussi Calvo, Nahuel Ignacio Echeverria, Hernan Eduardo A Comparison of indexes to estimate corn S uptake and S mineralization in the field |
| title | A Comparison of indexes to estimate corn S uptake and S mineralization in the field |
| title_full | A Comparison of indexes to estimate corn S uptake and S mineralization in the field |
| title_fullStr | A Comparison of indexes to estimate corn S uptake and S mineralization in the field |
| title_full_unstemmed | A Comparison of indexes to estimate corn S uptake and S mineralization in the field |
| title_short | A Comparison of indexes to estimate corn S uptake and S mineralization in the field |
| title_sort | comparison of indexes to estimate corn s uptake and s mineralization in the field |
| topic | Fertilidad del Suelo Experimentación en Campo Azufre Mineralización Soil Fertility Field Experimentation Sulphur Mineralization |
| url | http://hdl.handle.net/20.500.12123/2137 https://link.springer.com/article/10.1007/s00374-018-1266-9 https://doi.org/10.1007/s00374-018-1266-9 |
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