Actual evapotranspiration and the pattern of soil water extraction of a soybean (Glycine max) crop

Crop evapotranspiration knowledge during different phenological stages helps determine crop water requirements and water use efficiency. This study was intended to estimate evapotranspiration of soybean grown under field conditions using the water balance equation and to characterize root water extr...

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Autores principales: Curto, Lucía, Covi, Mauro, Gassmann, María Isabel
Formato: Online
Lenguaje:eng
Publicado: Facultad de Ciencias Agrarias-UNCuyo 2019
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Acceso en línea:https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2615
id I11-R107article-2615
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spelling I11-R107article-26152020-04-22T13:37:49Z Actual evapotranspiration and the pattern of soil water extraction of a soybean (Glycine max) crop Actual evapotranspiration and the pattern of soil water extraction of a soybean (Glycine max) crop Curto, Lucía Covi, Mauro Gassmann, María Isabel balance de agua en el suelo secano Argentina estrés hídrico consumo de agua soja soil water balance rainfed Argentina water stress water uptake soybean Crop evapotranspiration knowledge during different phenological stages helps determine crop water requirements and water use efficiency. This study was intended to estimate evapotranspiration of soybean grown under field conditions using the water balance equation and to characterize root water extraction across different soil layers analyzing daily values of its availability. In order to estimate the crop daily water consumption, temporal and spatial variability (vertical) of soil water content up to a depth of 1.10 m was investigated. At the beginning of the experiment, measurements showed that the soybean crop extracted water from the upper levels, and as it continued to grow, water uptake at deeper levels increased. The highest water uptake occurred during reproductive growth stages, which matched the period of highest atmospheric demand. The crop showed a better response to atmospheric demand under water availability, whereas under stress conditions, both evapotranspiration and soil water content decreased. Crop evapotranspiration knowledge during different phenological stages helps determine crop water requirements and water use efficiency. This study was intended to estimate evapotranspiration of soybean grown under field conditions using the water balance equation and to characterize root water extraction across different soil layers analyzing daily values of its availability. In order to estimate the crop daily water consumption, temporal and spatial variability (vertical) of soil water content up to a depth of 1.10 m was investigated. At the beginning of the experiment, measurements showed that the soybean crop extracted water from the upper levels, and as it continued to grow, water uptake at deeper levels increased. The highest water uptake occurred during reproductive growth stages, which matched the period of highest atmospheric demand. The crop showed a better response to atmospheric demand under water availability, whereas under stress conditions, both evapotranspiration and soil water content decreased. Facultad de Ciencias Agrarias-UNCuyo 2019-12-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2615 Revista de la Facultad de Ciencias Agrarias UNCuyo; Vol. 51 No. 2 (2019): July-December; 125-141 Revista de la Facultad de Ciencias Agrarias UNCuyo; Vol. 51 Núm. 2 (2019): Julio-Diciembre; 125-141 1853-8665 0370-4661 eng https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2615/1944 Derechos de autor 2019 Revista de la Facultad de Ciencias Agrarias UNCuyo
institution Universidad Nacional de Cuyo
building Revistas en línea
filtrotop_str Revistas en línea
collection Revista de la Facultad de Ciencias Agrarias
journal_title_str Revista de la Facultad de Ciencias Agrarias
institution_str I-11
repository_str R-107
language eng
format Online
author Curto, Lucía
Covi, Mauro
Gassmann, María Isabel
spellingShingle Curto, Lucía
Covi, Mauro
Gassmann, María Isabel
Actual evapotranspiration and the pattern of soil water extraction of a soybean (Glycine max) crop
balance de agua en el suelo
secano
Argentina
estrés hídrico
consumo de agua
soja
soil water balance
rainfed
Argentina
water stress
water uptake
soybean
author_facet Curto, Lucía
Covi, Mauro
Gassmann, María Isabel
author_sort Curto, Lucía
title Actual evapotranspiration and the pattern of soil water extraction of a soybean (Glycine max) crop
title_short Actual evapotranspiration and the pattern of soil water extraction of a soybean (Glycine max) crop
title_full Actual evapotranspiration and the pattern of soil water extraction of a soybean (Glycine max) crop
title_fullStr Actual evapotranspiration and the pattern of soil water extraction of a soybean (Glycine max) crop
title_full_unstemmed Actual evapotranspiration and the pattern of soil water extraction of a soybean (Glycine max) crop
title_sort actual evapotranspiration and the pattern of soil water extraction of a soybean (glycine max) crop
description Crop evapotranspiration knowledge during different phenological stages helps determine crop water requirements and water use efficiency. This study was intended to estimate evapotranspiration of soybean grown under field conditions using the water balance equation and to characterize root water extraction across different soil layers analyzing daily values of its availability. In order to estimate the crop daily water consumption, temporal and spatial variability (vertical) of soil water content up to a depth of 1.10 m was investigated. At the beginning of the experiment, measurements showed that the soybean crop extracted water from the upper levels, and as it continued to grow, water uptake at deeper levels increased. The highest water uptake occurred during reproductive growth stages, which matched the period of highest atmospheric demand. The crop showed a better response to atmospheric demand under water availability, whereas under stress conditions, both evapotranspiration and soil water content decreased.
publisher Facultad de Ciencias Agrarias-UNCuyo
publishDate 2019
url https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2615
topic balance de agua en el suelo
secano
Argentina
estrés hídrico
consumo de agua
soja
soil water balance
rainfed
Argentina
water stress
water uptake
soybean
topic_facet balance de agua en el suelo
secano
Argentina
estrés hídrico
consumo de agua
soja
soil water balance
rainfed
Argentina
water stress
water uptake
soybean
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AT gassmannmariaisabel actualevapotranspirationandthepatternofsoilwaterextractionofasoybeanglycinemaxcrop
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