Abstract
ABSTRACT This study aimed to analyze different irrigation strategies in two cultivars of the banana crop. The study was conducted in four production cycles of ‘Prata-Anã’ and ‘BRS Platina’ bananas. The applied irrigation depths (ID) were obtained by the model ID = K x LA x ETo, where K is an empirical transpiration constant of 0.20; 0.35; 0.50 and 0.65 for the strategies 1, 2, 3 and 4, respectively; LA is the leaf area of mother and daughter plants of ‘Prata-Anã’ and ETo is the reference evapotranspiration. The strategy 5 was obtained according to the crop evapotranspiration, ETc = ETo x Kc, where Kc is the crop coefficient. Drip irrigation system was used, with two laterals per plant row and emitters with flow rate of 8 L h-1, spaced at 0.50 m. It was found that ‘Prata-Anã’ is more efficient than ‘BRS Platina’ in terms of water use and the model for irrigation management, ID = 0.35 x LA x ETo, is recommended to optimize water use by ‘Prata-Anã’ and ‘BRS Platina’ bananas, with increase in water use efficiency and maintenance of yield. The same model, with K coefficient equal to 0.50, makes it possible to obtain yield and water use efficiency equal to those obtained with irrigation management based on the ETc.
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Claims 5
Claim · model-written summary
Prata-Anã banana is more water-use efficient than BRS Platina.
Verbatim
t0“Irrigation management strategy for Prata-type banana”
e1“‘Prata-Anã’ is more efficient than ‘BRS Platina’ in terms of water use”
Claim · model-written summary
The irrigation model ID = 0.35 x LA x ETo is recommended to optimize water use by Prata-Anã and BRS Platina bananas.
Verbatim
t0“Irrigation management strategy for Prata-type banana”
e2“the model for irrigation management, ID = 0.35 x LA x ETo, is recommended to optimize water use by ‘Prata-Anã’ and ‘BRS Platina’ bananas, with increase in water use efficiency and maintenance of yield”
Claim · model-written summary
The ID = 0.35 x LA x ETo irrigation model increased water use efficiency in bananas.
Not reportedComparator
Verbatim
t0“Irrigation management strategy for Prata-type banana”
e2“the model for irrigation management, ID = 0.35 x LA x ETo, is recommended to optimize water use by ‘Prata-Anã’ and ‘BRS Platina’ bananas, with increase in water use efficiency and maintenance of yield”
Claim · model-written summary
The ID = 0.35 x LA x ETo irrigation model maintained banana yield.
Not reportedComparator
Verbatim
t0“Irrigation management strategy for Prata-type banana”
e2“the model for irrigation management, ID = 0.35 x LA x ETo, is recommended to optimize water use by ‘Prata-Anã’ and ‘BRS Platina’ bananas, with increase in water use efficiency and maintenance of yield”
Claim · model-written summary
With K coefficient 0.50, the irrigation model gave banana yield and water use efficiency equal to ETc-based irrigation management.
Verbatim
t0“Irrigation management strategy for Prata-type banana”
e3“The same model, with K coefficient equal to 0.50, makes it possible to obtain yield and water use efficiency equal to those obtained with irrigation management based on the ETc”
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