Water productivity in soybean following a cover crop in a humid environment
We evaluated the influence of the termination dates of a winter cover crop on (i) soil water availability during soybean (Glycine max L. (Merr)) growing season, (ii) soybean evapotranspiration (ET) and iii) water productivity in soybean (WP = Grain yield/ET) in a humid environment (i.e., 50 % of yea...
| Main Authors: | , , , , , , |
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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Elsevier
2021
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| Subjects: | |
| Online Access: | http://hdl.handle.net/20.500.12123/8819 https://www.sciencedirect.com/science/article/abs/pii/S0378377419309345 https://doi.org/10.1016/j.agwat.2020.106045 |
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| author | Alfonso, Carla Susana Barbieri, Pablo Hernandez, Mariano Daniel Lewczuk, Nuria Martinez, Juan Pablo Echarte, María Mercedes Echarte, Laura |
| author_browse | Alfonso, Carla Susana Barbieri, Pablo Echarte, Laura Echarte, María Mercedes Hernandez, Mariano Daniel Lewczuk, Nuria Martinez, Juan Pablo |
| author_facet | Alfonso, Carla Susana Barbieri, Pablo Hernandez, Mariano Daniel Lewczuk, Nuria Martinez, Juan Pablo Echarte, María Mercedes Echarte, Laura |
| author_sort | Alfonso, Carla Susana |
| collection | INTA Digital |
| description | We evaluated the influence of the termination dates of a winter cover crop on (i) soil water availability during soybean (Glycine max L. (Merr)) growing season, (ii) soybean evapotranspiration (ET) and iii) water productivity in soybean (WP = Grain yield/ET) in a humid environment (i.e., 50 % of years with annual rainfall ≥900 mm). Experiments were carried out at Balcarce, Argentina during two growing seasons. Treatments included (i) soybean monoculture, (ii) soybean following a cover crop with an early termination date, and (iii) soybean following a cover crop with a delayed termination date (∼25 days later than the early one). Oat (Avena sativa L.) was used as a cover crop. Soil water content was measured with a neutron probe from cover crop sowing to soybean physiological maturity, and soybean ET was calculated by means of a soil water balance. Cover crop shoot biomass was determined immediately before termination dates and soybean grain yield was quantified at physiological maturity. Cover crops reduced soil available water (SAW) at cover crops termination date from 18 to 23 mm at early and delayed termination dates, respectively; and reductions were mostly evident in the upper 40 cm of the soil profile. Termination delays of around 25 days increased 60 % cover crops shoot biomass production, and promoted larger SAW reductions at termination date. However, cover crops had little impact on SAW during soybean growing season and they did not influence soybean grain yield. Moreover, our findings evidenced that in this humid environment (i) soybean ET was reduced between 12 and 17 mm following a cover crop, (ii) larger soybean ET reductions were associated with larger cover crops shoot biomass production, and (iii) WP in soybean was slightly improved (4–10%) by the inclusion of a cover crop. |
| format | info:ar-repo/semantics/artículo |
| id | INTA8819 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA88192021-03-05T11:17:04Z Water productivity in soybean following a cover crop in a humid environment Alfonso, Carla Susana Barbieri, Pablo Hernandez, Mariano Daniel Lewczuk, Nuria Martinez, Juan Pablo Echarte, María Mercedes Echarte, Laura Agua del Suelo Plantas de Cobertura Soja Evapotranspiración Soil Water Cover Plants Soybeans Evapotranpiration We evaluated the influence of the termination dates of a winter cover crop on (i) soil water availability during soybean (Glycine max L. (Merr)) growing season, (ii) soybean evapotranspiration (ET) and iii) water productivity in soybean (WP = Grain yield/ET) in a humid environment (i.e., 50 % of years with annual rainfall ≥900 mm). Experiments were carried out at Balcarce, Argentina during two growing seasons. Treatments included (i) soybean monoculture, (ii) soybean following a cover crop with an early termination date, and (iii) soybean following a cover crop with a delayed termination date (∼25 days later than the early one). Oat (Avena sativa L.) was used as a cover crop. Soil water content was measured with a neutron probe from cover crop sowing to soybean physiological maturity, and soybean ET was calculated by means of a soil water balance. Cover crop shoot biomass was determined immediately before termination dates and soybean grain yield was quantified at physiological maturity. Cover crops reduced soil available water (SAW) at cover crops termination date from 18 to 23 mm at early and delayed termination dates, respectively; and reductions were mostly evident in the upper 40 cm of the soil profile. Termination delays of around 25 days increased 60 % cover crops shoot biomass production, and promoted larger SAW reductions at termination date. However, cover crops had little impact on SAW during soybean growing season and they did not influence soybean grain yield. Moreover, our findings evidenced that in this humid environment (i) soybean ET was reduced between 12 and 17 mm following a cover crop, (ii) larger soybean ET reductions were associated with larger cover crops shoot biomass production, and (iii) WP in soybean was slightly improved (4–10%) by the inclusion of a cover crop. EEA Balcarce Fil: Alfonso, Carla Susana. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fil: Barbieri, Pablo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fil: Hernández, Mariano. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Lewczuk, Nuria A. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Fil: Martínez, Juan Pablo. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Echarte, María Mercedes. 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: Echarte, Laura. . Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. 2021-03-05T11:03:09Z 2021-03-05T11:03:09Z 2020-02-05 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/8819 https://www.sciencedirect.com/science/article/abs/pii/S0378377419309345 0378-3774 https://doi.org/10.1016/j.agwat.2020.106045 eng info:eu-repo/semantics/restrictedAccess application/pdf Elsevier Agricultural Water Management 232 : 106045 (2020) |
| spellingShingle | Agua del Suelo Plantas de Cobertura Soja Evapotranspiración Soil Water Cover Plants Soybeans Evapotranpiration Alfonso, Carla Susana Barbieri, Pablo Hernandez, Mariano Daniel Lewczuk, Nuria Martinez, Juan Pablo Echarte, María Mercedes Echarte, Laura Water productivity in soybean following a cover crop in a humid environment |
| title | Water productivity in soybean following a cover crop in a humid environment |
| title_full | Water productivity in soybean following a cover crop in a humid environment |
| title_fullStr | Water productivity in soybean following a cover crop in a humid environment |
| title_full_unstemmed | Water productivity in soybean following a cover crop in a humid environment |
| title_short | Water productivity in soybean following a cover crop in a humid environment |
| title_sort | water productivity in soybean following a cover crop in a humid environment |
| topic | Agua del Suelo Plantas de Cobertura Soja Evapotranspiración Soil Water Cover Plants Soybeans Evapotranpiration |
| url | http://hdl.handle.net/20.500.12123/8819 https://www.sciencedirect.com/science/article/abs/pii/S0378377419309345 https://doi.org/10.1016/j.agwat.2020.106045 |
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