Irrigation management strategy for Prata-type banana
| Autor: | Maurício Antônio Coelho Filho, Marcelo Rocha dos Santos, Tânia Santos Silva, Sérgio Luiz Rodrigues Donato, L. L. Lourenço |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2016 |
| Předmět: |
0106 biological sciences
Irrigation Musa spp Environmental Engineering leaf area Crop yield 04 agricultural and veterinary sciences Drip irrigation 01 natural sciences lcsh:S1-972 Crop coefficient crop evapotranspiration Agronomy Evapotranspiration 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Water-use efficiency lcsh:Agriculture (General) Irrigation management Agronomy and Crop Science Water use 010606 plant biology & botany Mathematics |
| Zdroj: | Revista Brasileira de Engenharia Agrícola e Ambiental v.20 n.9 2016 Revista Brasileira de Engenharia Agrícola e Ambiental Universidade Federal de Campina Grande (UFCG) instacron:UFCG Revista Brasileira de Engenharia Agrícola e Ambiental-Agriambi, Vol 20, Iss 9, Pp 817-822 |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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