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: Artículo revista
Lenguaje:Inglés
Publicado: Facultad de Ciencias Agrarias-UNCuyo 2019
Materias:
Acceso en línea:https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2615
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id I11-R107article-2615
record_format ojs
institution Universidad Nacional de Cuyo
institution_str I-11
repository_str R-107
container_title_str Revista de la Facultad de Ciencias Agrarias UNCuyo
language Inglés
format Artículo revista
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
spellingShingle balance de agua en el suelo
secano
Argentina
estrés hídrico
consumo de agua
soja
soil water balance
rainfed
Argentina
water stress
water uptake
soybean
Curto, Lucía
Covi, Mauro
Gassmann, María Isabel
Actual evapotranspiration and the pattern of soil water extraction of a soybean (Glycine max) crop
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
author Curto, Lucía
Covi, Mauro
Gassmann, María Isabel
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
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