An R-package to track soil water deficits in the root zone: when and how much to irrigate

Article

Blain, Gabriel Constantino, Sobierajski, Graciela da Rocha, de Matos Pires, Regina Célia, de Carvalho, Jane Maria, Martin, Letícia Lopes and Sparks, Adam Henry. 2024. "An R-package to track soil water deficits in the root zone: when and how much to irrigate." Bragantia. 83. https://doi.org/10.1590/1678-4499.20240138
Article Title

An R-package to track soil water deficits in the root zone: when and how much to irrigate

ERA Journal ID35119
Article CategoryArticle
AuthorsBlain, Gabriel Constantino, Sobierajski, Graciela da Rocha, de Matos Pires, Regina Célia, de Carvalho, Jane Maria, Martin, Letícia Lopes and Sparks, Adam Henry
Journal TitleBragantia
Journal Citation83
Number of Pages7
Year2024
Place of PublicationBrazil
ISSN0006-8705
1678-4499
Digital Object Identifier (DOI)https://doi.org/10.1590/1678-4499.20240138
Web Address (URL)https://www.scielo.br/j/brag/a/PfG7XSQvtrMqNwBH7HyyvtP/?lang=en
Abstract

Irrigated areas have expanded globally to support the increasing population and mitigate the impacts of climate change and variability. The crop water balance accounting in the root zone estimates soil water deficits by considering water inputs and outputs that impact crop yield. In this study, we developed the CropWaterBalance R-package to assist users in irrigation scheduling. The package offers functionalities for estimating the reference evapotranspiration through various methods and comparing their performances. By incorporating user-provided management-allowed depletions, the package calculates several agrometeorological parameters including crop evapotranspiration rates, soil water deficit in the root zone, and water stress coefficient. The package also provides recommendations for irrigation timing and net irrigation depth.

Keywordswater balance; scheduling; evapotranspiration; irrigation management
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020300206. Agricultural spatial analysis and modelling
Byline AffiliationsAgronomical Institute of Campinas, Brazil
Centre for Crop Health
Curtin University
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