Effect of zinc application strategies on maize grain yield and zinc concentration in mollisols
Maize (Zea mays L.) is highly susceptible to zinc (Zn) deficiency. Different application strategies (AS) can be utilized to improve grain yield (GY) and quality (Zn biofortification) by combining Zn fertilizer rate, source, timing, and placement techniques. This study aimed to evaluate whether diffe...
| Main Authors: | , , , , , , , , |
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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Taylor and Francis
2021
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| Online Access: | http://hdl.handle.net/20.500.12123/8998 https://www.tandfonline.com/doi/abs/10.1080/01904167.2020.1844754 https://doi.org/10.1080/01904167.2020.1844754 |
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| author | Martinez Cuesta, Nicolás Carciochi, Walter Sainz Rozas, Hernan Rene Salvagiotti, Fernando Colazo, Juan Cruz Wyngaard, Nicolás Eyherabide, Mercedes Ferraris, Gustavo Nestor Barbieri, Pablo |
| author_browse | Barbieri, Pablo Carciochi, Walter Colazo, Juan Cruz Eyherabide, Mercedes Ferraris, Gustavo Nestor Martinez Cuesta, Nicolás Sainz Rozas, Hernan Rene Salvagiotti, Fernando Wyngaard, Nicolás |
| author_facet | Martinez Cuesta, Nicolás Carciochi, Walter Sainz Rozas, Hernan Rene Salvagiotti, Fernando Colazo, Juan Cruz Wyngaard, Nicolás Eyherabide, Mercedes Ferraris, Gustavo Nestor Barbieri, Pablo |
| author_sort | Martinez Cuesta, Nicolás |
| collection | INTA Digital |
| description | Maize (Zea mays L.) is highly susceptible to zinc (Zn) deficiency. Different application strategies (AS) can be utilized to improve grain yield (GY) and quality (Zn biofortification) by combining Zn fertilizer rate, source, timing, and placement techniques. This study aimed to evaluate whether different Zn-AS (soil, seed, and foliar) affect maize GY and grain Zn concentration in Mollisols with contrasting soil Zn availability and pH. Five site-years field experiments were carried out. Treatments (Zn-AS) were compared to a control, and included: seed-Zn, 0.3 kg Zn ha−1; foliar-Zn, 0.7 kg Zn ha−1 at V6 stage; and soil-Zn, 2.1 kg Zn ha−1 surface banded. Zinc fertilization increased GY (response ranged from 892 to 2519 kg ha−1) in four of five sites (p < 0.05). The evidence indicates that in scenarios of very low soil Zn availability (<0.9 mg kg−1 Zn-DTPA) greater Zn rates are required, and therefore soil-Zn and foliar-Zn are the more suitable AS. Grain Zn concentration ranged from 19.5 to 43.1 mg kg−1 and was not affected by Zn-AS. At all sites, even those showing GY response to Zn fertilization, grain Zn concentration in the control treatment was above the sufficiency threshold for maize GY (18 mg kg−1), indicating that this threshold needs to be updated for the current maize hybrids. Grain Zn concentration was predicted by the model: grain Zn concentration = 39.56 − 0.002 × GY + 9.62 × Zn-DTPA (R2 = 0.38). |
| format | info:ar-repo/semantics/artículo |
| id | INTA8998 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Taylor and Francis |
| publisherStr | Taylor and Francis |
| record_format | dspace |
| spelling | INTA89982021-03-30T11:15:06Z Effect of zinc application strategies on maize grain yield and zinc concentration in mollisols Martinez Cuesta, Nicolás Carciochi, Walter Sainz Rozas, Hernan Rene Salvagiotti, Fernando Colazo, Juan Cruz Wyngaard, Nicolás Eyherabide, Mercedes Ferraris, Gustavo Nestor Barbieri, Pablo Granos Maíz Cinc Molisoles Grain Maize Zinc Mollisols Maize (Zea mays L.) is highly susceptible to zinc (Zn) deficiency. Different application strategies (AS) can be utilized to improve grain yield (GY) and quality (Zn biofortification) by combining Zn fertilizer rate, source, timing, and placement techniques. This study aimed to evaluate whether different Zn-AS (soil, seed, and foliar) affect maize GY and grain Zn concentration in Mollisols with contrasting soil Zn availability and pH. Five site-years field experiments were carried out. Treatments (Zn-AS) were compared to a control, and included: seed-Zn, 0.3 kg Zn ha−1; foliar-Zn, 0.7 kg Zn ha−1 at V6 stage; and soil-Zn, 2.1 kg Zn ha−1 surface banded. Zinc fertilization increased GY (response ranged from 892 to 2519 kg ha−1) in four of five sites (p < 0.05). The evidence indicates that in scenarios of very low soil Zn availability (<0.9 mg kg−1 Zn-DTPA) greater Zn rates are required, and therefore soil-Zn and foliar-Zn are the more suitable AS. Grain Zn concentration ranged from 19.5 to 43.1 mg kg−1 and was not affected by Zn-AS. At all sites, even those showing GY response to Zn fertilization, grain Zn concentration in the control treatment was above the sufficiency threshold for maize GY (18 mg kg−1), indicating that this threshold needs to be updated for the current maize hybrids. Grain Zn concentration was predicted by the model: grain Zn concentration = 39.56 − 0.002 × GY + 9.62 × Zn-DTPA (R2 = 0.38). EEA Balcarce Fil: Martínez Cuesta, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Carciochi, Walter. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Sainz Rozas, Hernán. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Salvagiotti, Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina. Fil: Colazo, Juan Cruz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Luis; Argentina. Fil: Wyngaard, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Eyherabide, Mercedes. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Fil: Ferraris, Gustavo Néstor. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino; Argentina. Fil: Barbieri, Pablo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. 2021-03-30T11:03:28Z 2021-03-30T11:03:28Z 2020-11-12 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/8998 https://www.tandfonline.com/doi/abs/10.1080/01904167.2020.1844754 0190-4167 1532-4087 https://doi.org/10.1080/01904167.2020.1844754 eng info:eu-repo/semantics/restrictedAccess application/pdf Taylor and Francis Journal of Plant Nutrition 44 (4) : 1-12 (2020) |
| spellingShingle | Granos Maíz Cinc Molisoles Grain Maize Zinc Mollisols Martinez Cuesta, Nicolás Carciochi, Walter Sainz Rozas, Hernan Rene Salvagiotti, Fernando Colazo, Juan Cruz Wyngaard, Nicolás Eyherabide, Mercedes Ferraris, Gustavo Nestor Barbieri, Pablo Effect of zinc application strategies on maize grain yield and zinc concentration in mollisols |
| title | Effect of zinc application strategies on maize grain yield and zinc concentration in mollisols |
| title_full | Effect of zinc application strategies on maize grain yield and zinc concentration in mollisols |
| title_fullStr | Effect of zinc application strategies on maize grain yield and zinc concentration in mollisols |
| title_full_unstemmed | Effect of zinc application strategies on maize grain yield and zinc concentration in mollisols |
| title_short | Effect of zinc application strategies on maize grain yield and zinc concentration in mollisols |
| title_sort | effect of zinc application strategies on maize grain yield and zinc concentration in mollisols |
| topic | Granos Maíz Cinc Molisoles Grain Maize Zinc Mollisols |
| url | http://hdl.handle.net/20.500.12123/8998 https://www.tandfonline.com/doi/abs/10.1080/01904167.2020.1844754 https://doi.org/10.1080/01904167.2020.1844754 |
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