Water sources for root water uptake: Using stable isotopes of hydrogen and oxygen as a research tool in agricultural and agroforestry systems
•Knowledge on crop water uptake is required for sustainable agricultural management.•Stable water isotopes are powerful tools to study water sources for root uptake.•Many practical and research opportunities call for a broader use of this technique. Understanding water sources for crop water uptake...
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          | Published in | Agriculture, ecosystems & environment Vol. 291; p. 106790 | 
|---|---|
| Main Authors | , , , | 
| Format | Journal Article | 
| Language | English | 
| Published | 
            Elsevier B.V
    
        01.04.2020
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| Subjects | |
| Online Access | Get full text | 
| ISSN | 0167-8809 1873-2305 1873-2305  | 
| DOI | 10.1016/j.agee.2019.106790 | 
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| Abstract | •Knowledge on crop water uptake is required for sustainable agricultural management.•Stable water isotopes are powerful tools to study water sources for root uptake.•Many practical and research opportunities call for a broader use of this technique.
Understanding water sources for crop water uptake in agricultural and agroforestry systems is an essential step to develop more efficient and sustainable water management strategies, which is increasingly important in the light of current world population growth, changing climatic conditions and consequent growing pressures on agricultural- and agroforestry production. Stable isotopes of hydrogen and oxygen in the water molecule are powerful and, nowadays, affordable tracers that can help to define the proportion of water sources accessed by plants. Yet, contrary to natural environments, their application is still relatively limited in agricultural and agroforestry research. In this work, we synthesize the advantages and the current knowledge deriving from the use of the stable isotopes of hydrogen and oxygen, in support of more traditional techniques, to understand root water uptake dynamics in agricultural and agroforestry systems. We also underline the practical implications related to the application of this technique for management purposes, and provide a vision for new challenges and future research opportunities in exploring crop and plant water use based on isotopic data. | 
    
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| AbstractList | •Knowledge on crop water uptake is required for sustainable agricultural management.•Stable water isotopes are powerful tools to study water sources for root uptake.•Many practical and research opportunities call for a broader use of this technique.
Understanding water sources for crop water uptake in agricultural and agroforestry systems is an essential step to develop more efficient and sustainable water management strategies, which is increasingly important in the light of current world population growth, changing climatic conditions and consequent growing pressures on agricultural- and agroforestry production. Stable isotopes of hydrogen and oxygen in the water molecule are powerful and, nowadays, affordable tracers that can help to define the proportion of water sources accessed by plants. Yet, contrary to natural environments, their application is still relatively limited in agricultural and agroforestry research. In this work, we synthesize the advantages and the current knowledge deriving from the use of the stable isotopes of hydrogen and oxygen, in support of more traditional techniques, to understand root water uptake dynamics in agricultural and agroforestry systems. We also underline the practical implications related to the application of this technique for management purposes, and provide a vision for new challenges and future research opportunities in exploring crop and plant water use based on isotopic data. Understanding water sources for crop water uptake in agricultural and agroforestry systems is an essential step to develop more efficient and sustainable water management strategies, which is increasingly important in the light of current world population growth, changing climatic conditions and consequent growing pressures on agricultural- and agroforestry production. Stable isotopes of hydrogen and oxygen in the water molecule are powerful and, nowadays, affordable tracers that can help to define the proportion of water sources accessed by plants. Yet, contrary to natural environments, their application is still relatively limited in agricultural and agroforestry research. In this work, we synthesize the advantages and the current knowledge deriving from the use of the stable isotopes of hydrogen and oxygen, in support of more traditional techniques, to understand root water uptake dynamics in agricultural and agroforestry systems. We also underline the practical implications related to the application of this technique for management purposes, and provide a vision for new challenges and future research opportunities in exploring crop and plant water use based on isotopic data.  | 
    
| ArticleNumber | 106790 | 
    
| Author | Geris, Josie Penna, Daniele Hopp, Luisa Scandellari, Francesca  | 
    
| Author_xml | – sequence: 1 givenname: Daniele surname: Penna fullname: Penna, Daniele organization: Department of Agriculture, Food, Environment and Forestry, University of Florence, Florence, Italy – sequence: 2 givenname: Josie orcidid: 0000-0003-0159-0543 surname: Geris fullname: Geris, Josie email: j.geris@abdn.ac.uk organization: School of Geosciences, University of Aberdeen, Aberdeen, United Kingdom – sequence: 3 givenname: Luisa surname: Hopp fullname: Hopp, Luisa organization: Department of Hydrology, University of Bayreuth, Bayreuth, Germany – sequence: 4 givenname: Francesca orcidid: 0000-0002-2242-2656 surname: Scandellari fullname: Scandellari, Francesca organization: Isotracers S.R.L., Bologna, Italy  | 
    
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| Keywords | Irrigation Water sources Root water uptake Water resources management Agriculture and agroforestry systems Stable water isotopes  | 
    
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| Snippet | •Knowledge on crop water uptake is required for sustainable agricultural management.•Stable water isotopes are powerful tools to study water sources for root... Understanding water sources for crop water uptake in agricultural and agroforestry systems is an essential step to develop more efficient and sustainable water...  | 
    
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| SubjectTerms | Agriculture and agroforestry systems agroforestry climatic factors hydrogen Irrigation oxygen population growth Root water uptake stable isotopes Stable water isotopes tracer techniques water management Water resources management Water sources water uptake  | 
    
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| Title | Water sources for root water uptake: Using stable isotopes of hydrogen and oxygen as a research tool in agricultural and agroforestry systems | 
    
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