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Modelling evapotranspiration of soilless cut roses 'Red Naomi' based on climatic and crop predictors

Costa, Patricia Malva ; Pôças, Isabel ; Cunha, Mário

Horticultural science (Praha), 2019-01, Vol.46 (2), p.107-114 [Periódico revisado por pares]

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Título:
Modelling evapotranspiration of soilless cut roses 'Red Naomi' based on climatic and crop predictors
Autor: Costa, Patricia Malva ; Pôças, Isabel ; Cunha, Mário
Assuntos: Crops ; Evapotranspiration ; greenhouse crop ; irrigation management ; Leaf area ; Leaves ; Lysimeters ; multiple stepwise regression ; Relative humidity ; rosa hybrida l ; Soilless farming ; Stems ; weighting lysimeter
É parte de: Horticultural science (Praha), 2019-01, Vol.46 (2), p.107-114
Descrição: This study aimed to estimate the daily crop evapotranspiration (ETc) of soilless cut ‘Red Naomi’ roses, cultivated in a commercial glass greenhouse, using climatic and crop predictors. A multiple stepwise regression technique was applied for estimating ETc using the daily relative humidity, stem leaf area and number of leaves of the bended stems. The model explained 90% of the daily ETc variability (R2 = 0.90, n = 33, P < 0.0001) measured by weighing lysimeters. The mean relative difference between the observed and the estimated daily ETc was 9.1%. The methodology revealed a high accuracy and precision in the estimation of daily ETc.
Editor: Prague: Czech Academy of Agricultural Sciences (CAAS)
Idioma: Inglês;Tcheco;Eslovaco

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