Evapotranspiration and crop coefficients from lysimeter measurements of mature ‘Tempranillo’ wine grapes

López-Urrea, R.; Montoro, A.; Mañas, F.; López-Fuster, P.; Fereres, E.

doi:10.1016/j.agwat.2012.05.009

Cited by 111 publications

(41 citation statements)

References 29 publications

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“…Several studies were based either on measurements from weighing lysimeters [6,12,13], or on surface energy balance such as the Eddy Covariance and Bowen ratio methods [14][15][16][17][18]. Overall, these studies indicate significant variation on water requirements and more generally do not provide spatial trends of evapotranspiration, since the measured values are mostly restricted and influenced by a small footprint area [19].…”

Section: Introductionmentioning

confidence: 99%

Estimation of Evapotranspiration and Crop Coefficients of Tendone Vineyards Using Multi-Sensor Remote Sensing Data in a Mediterranean Environment

et al. 2015

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Abstract:The sustainable management of water resources plays a key role in Mediterranean viticulture, characterized by scarcity and competition of available water. This study focuses on estimating the evapotranspiration and crop coefficients of table grapes vineyards trained on overhead "tendone" systems in the Apulia region (Italy). evapotranspiration derived from remotely-sensed data could be helpful for downscaling to the field the local weather conditions and agronomic practices and thus may be the basis for supporting grape growers and irrigation managers.

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Section: Introductionmentioning

confidence: 99%

Estimation of Evapotranspiration and Crop Coefficients of Tendone Vineyards Using Multi-Sensor Remote Sensing Data in a Mediterranean Environment

et al. 2015

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“…Estudios recientes llevados a cabo en La Mancha Oriental (López-Urrea et al, 2012;Sánchez et al, 2015) indican que la evapotranspiración del cultivo (ET c ) de la vid, sin restricción hídrica, medida en un lisímetro de pesada o mediante medidas térmicas y balance de energía se sitúa entre 500 y 550 mm anuales, siendo la componente evaporativa del balance de agua un 20-30% del total de la ET c de la vid.…”

Section: -Introducción Objetivosunclassified

¿es Posible Mejorar La Eficiencia en El Uso Del Agua De Un Viñedo Mediante Un Acolchado Orgánico Del Suelo?

López-Urrea¹,

Montoro²,

Martínez³

et al. 2016

XXXIV Congreso Nacional De Riegos

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“…(Fernández-Pacheco et al, 2014), 0,52 -1,09 for melon (Shukla et al, 2014), 0,82 for caulifl ower and 0,70 for red kale (Sahin et al, 2009). Similarly, López-Urrea et al (2012) found Kc values between 0,60 and 0,75 for Tempranillo vineyards; the lower values were attributed to the component of evaporation from the ground of the ETc after applying water (precipitation or irrigation), which can be high at the beginning of growth when the vegetable cover fraction is at a minimum. The low Kc values can also be attributed to the development of drought resistance mechanism by some plants, which translate into lower water consumption.…”

Section: Experiments 1 Crop Coeffi Cient Determinationmentioning

confidence: 99%

Basil (Ocimum basilicum L.) water needs calculated from the crop coefficient

et al. 2017

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The determination of the crop coefficient (Kc) throughout the phenological stages is important for the calculation of water requirements of plants. This study determined the Kc curve for Basil (Ocimum basilicum L.) in Candelaria, Valle del Cauca, and evaluated this Kc in greenhouse conditions. Three drainage lysimeters and a portable meteorological station were used to determine the reference evapotranspiration (ETo), which were set up randomly in an experimental plot. The field capacity (FC) moisture content was determined, and the soil moisture and drainage depth were periodically monitored. Daily water balance calculations were conducted to determine the crop's water needs (ETc), and the Kc was calculated based on the quotient between ETc and ETo by performing statistical regression analysis. In the second experiment, in a completely randomized bifactorial design, four treatments were established in Cali (Valle). These treatments were amount of water necessary to maintain the soil moisture at FC and amount of water calculated with the Kc (72 % FC), both treatments with and without fertilizers application. The results showed that the Kc values for basil are: growth stage, 0,45 ± 0,02 (25 days after transplant, dat); maturity stage, 0,59 ± 0,02 (26 -50 dat); and senescence stage, 0,42 ± 0,03 (51 -71 dat). In greenhouse conditions, dry mass percentage, plant height, soil pH and electrical conductivity were similar for both water regimens. The reduction on water with Kc increased the nitrogen foliar but the water use efficient decreased.Keywords: crop coefficient, efficient water management, lysimeter, crop water needs. RESUMENLa determinación del coeficiente del cultivo (Kc) de los estados fenológicos es importante para el cálculo de los requerimientos hídricos de las plantas. Este estudio determinó la curva del Kc para la albahaca (Ocimum basilicum L.) en Candelaria, Valle del Cauca, y evaluó estos Kc en invernadero. Se ubicaron tres lisímetros de drenaje y una estación meteorológica portátil para determinar la evapotranspiración de referencia (ETo), en una parcela experimental. Se determinó la humedad as capacidad de campo (CC) y se monitorearon periódicamente tanto la humedad del suelo como el agua de drenaje. Se realizaron balances hídricos diarios para determinar las necesidades de agua del cultivo (ETc) y el Kc se calculó como el cociente entre ETc y ETo por medio de análisis de regresión. En el segundo experimento se establecieron cuatro tratamientos en un diseño completo al azar en Cali (Valle). Los tratamientos consistieron en evaluar la cantidad de agua calculada a partir de CC y a partir del Kc hallado (72 % de CC), ambos tratamientos con y sin fertilización. Los resultados mostraron que los valores de Kc para cada etapa de albahaca fueron: crecimiento, 0,45 ± 0,02 (25 días después del trasplante, ddt); madurez (0,59 ± 0,02 (26 -50 ddt) y senescencia 0,42 ± 0,03 (51 -71 ddt). En invernadero, el porcentaje de materia seca, altura de planta, pH del suelo y conductividad eléctrica fueron similare...

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Evapotranspiration and crop coefficients from lysimeter measurements of mature ‘Tempranillo’ wine grapes

Cited by 111 publications

References 29 publications

Estimation of Evapotranspiration and Crop Coefficients of Tendone Vineyards Using Multi-Sensor Remote Sensing Data in a Mediterranean Environment

Estimation of Evapotranspiration and Crop Coefficients of Tendone Vineyards Using Multi-Sensor Remote Sensing Data in a Mediterranean Environment

¿es Posible Mejorar La Eficiencia en El Uso Del Agua De Un Viñedo Mediante Un Acolchado Orgánico Del Suelo?

Basil (Ocimum basilicum L.) water needs calculated from the crop coefficient

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