Growth Dynamics, Yield, Economic Viability and Water Use Indicators of Forage Plants Under Different Irrigation Depths

ABSTRACT The lack of water in semi‐arid areas presents challenges for agriculture, making it necessary to adopt strategies that optimise the use of this water resource. This study evaluated the effects of irrigation level on the growth, productivity, economic viability and water use indicators of different forage species in the semi‐arid region of Brazil. The study was carried out in two production cycles, with a bifactorial arrangement for pasture grasses (Buffel, Aruana and BRS Kurumi) and for silage (Sorghum and BRS Capiaçu) and a unifactorial arrangement for the protein source species (Pornunça). Irrigation depths of 25%, 50%, 75% and 100% of the reference evapotranspiration (ET o ) were imposed. The growth rates showed linear and quadratic behaviour in the two cycles evaluated, with growth peaking at irrigation depths between 50% and 75% of the ET o . Only BRS Kurumi was influenced by irrigation depth in the first cycle. For the silage grasses, only BRS Capiaçu was influenced in the first cycle, with 100% irrigation depth standing out. In the second cycle, the 100% irrigation depth favoured the dry matter yields of BRS Capiaçu and Sorghum. Irrigation should be adjusted according to the time of year for better water utilisation.

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Publication Details

Journal
Irrigation and Drainage
Published
2025-03-14
DOI
https://doi.org/10.1002/ird.3096
Primary Topic
Agroforestry and silvopastoral systems
Type
article
Field-Weighted Citation Impact
0.00

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article

Growth Dynamics, Yield, Economic Viability and Water Use Indicators of Forage Plants Under Different Irrigation Depths

Luiz Guilherme Medeiros Pessoa, Gustavo Laurindo da Silva, José Geraldo Eugênio de França, Luciana Sandra Bastos de Souza et al.
Irrigation and Drainage
Agroforestry and silvopastoral systems
article

Growth Dynamics, Yield, Economic Viability and Water Use Indicators of Forage Plants Under Different Irrigation Depths

Luiz Guilherme Medeiros Pessoa, Gustavo Laurindo da Silva, José Geraldo Eugênio de França, Luciana Sandra Bastos de Souza, Glayciane Costa Góis, Fleming Sena Campos, Kaique Renan da Silva Salvador, Carlos André Alves de Souza, Ênio Farias de França e Silva, Cléber Pereira Alves, Maurício Luiz de Mello Vieira Leite, Agda Raiany Mota dos Santos, Thieres George Freire da Silva, Alexandre Maniçoba da Rosa Ferraz Jardim, José Edson Florentino de Morais, João Pedro Alves de Souza Santos
article en

Abstract

ABSTRACT The lack of water in semi‐arid areas presents challenges for agriculture, making it necessary to adopt strategies that optimise the use of this water resource. This study evaluated the effects of irrigation level on the growth, productivity, economic viability and water use indicators of different forage species in the semi‐arid region of Brazil. The study was carried out in two production cycles, with a bifactorial arrangement for pasture grasses (Buffel, Aruana and BRS Kurumi) and for silage (Sorghum and BRS Capiaçu) and a unifactorial arrangement for the protein source species (Pornunça). Irrigation depths of 25%, 50%, 75% and 100% of the reference evapotranspiration (ET o ) were imposed. The growth rates showed linear and quadratic behaviour in the two cycles evaluated, with growth peaking at irrigation depths between 50% and 75% of the ET o . Only BRS Kurumi was influenced by irrigation depth in the first cycle. For the silage grasses, only BRS Capiaçu was influenced in the first cycle, with 100% irrigation depth standing out. In the second cycle, the 100% irrigation depth favoured the dry matter yields of BRS Capiaçu and Sorghum. Irrigation should be adjusted according to the time of year for better water utilisation.

Irrigation and DrainageVol. 74(4)
Universidade Federal do Maranhão (BR), Universidade Federal Rural de Pernambuco (BR), Universidade Federal de Alagoas (BR), Universidade Estadual Paulista (Unesp) (BR)
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Openalex Percentile: Top 92%
Agroforestry and silvopastoral systems
DOIOpen Access PDFOpenAlex
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