Enakiev et al. (2025) Evapotranspiration in the tomato variety “

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Identification

• Journal: Springer Link (Chiba Institute of Technology)
• Year: 2025
• Date: 2025-12-16
• Authors: Yuriy Enakiev, Emil Dimitrov, Vesela Petova-Branicheva, Antoaneta Gigova, Stanislav Stanchev, Miladin Nazarkov
• DOI: 10.1051/bioconf/202520501028/pdf

Research Groups

Not specified in the provided text.

Short Summary

This study analyzed evapotranspiration (ET) changes and climatic factor influence on 'Nikolina F1' tomatoes under surface drip irrigation over three years, finding total seasonal irrigation rates of 275-280 mm and significant contributions from irrigation (up to 58%) and precipitation to ET.

Objective

• To analyze the change in evapotranspiration (ET) during the growing season of 'Nikolina F1' tomatoes under surface drip irrigation.
• To assess the influence of climatic factors and applied irrigation rates on ET over a three-year period.

Study Configuration

• Spatial Scale: Field conditions, specific to 'Nikolina F1' tomato variety under surface drip irrigation.
• Temporal Scale: Three growing seasons (May-September) spanning 2018, 2019, and 2020.

Methodology and Data

• Models used: Not specified in the provided text.
• Data sources: Field observations (e.g., irrigation rates, precipitation, air temperature, evapotranspiration measurements).

Main Results

• The total irrigation rate for the growing season (May-September) ranged from 275 mm to 280 mm, with 14 to 15 irrigations.
• The optimal irrigation rate per irrigation for drip-irrigated tomatoes was between 15 mm and 30 mm, depending on the development phase.
• The years 2018, 2019, and 2020 were characterized as very warm, with air temperature exceedance probabilities of 1.16% (2018), 4.47% (2019), and 7.78% (2020), respectively.
• In the dry year 2020, irrigation rate contributed 58% and precipitation 42% to ET formation.
• In the wet year 2018, irrigation rate contributed 25% to ET formation.
• ET showed pronounced peaks in July-August and lower values at the beginning and end of the vegetation period.
• Daily evapotranspiration values had a direct relationship with the number of irrigations and the applied irrigation amount.

Contributions

• Quantification of seasonal and per-irrigation optimal water requirements for 'Nikolina F1' tomatoes under surface drip irrigation in specific field conditions.
• Analysis of the relative contributions of irrigation and precipitation to evapotranspiration under varying climatic conditions (dry vs. wet years).
• Identification of the temporal dynamics of ET and its direct relationship with irrigation practices during the growing season.

Funding

Not specified in the provided text.

Citation

@article{Enakiev2025Evapotranspiration,
  author = {Enakiev, Yuriy and Dimitrov, Emil and Petova-Branicheva, Vesela and Gigova, Antoaneta and Stanchev, Stanislav and Nazarkov, Miladin},
  title = {Evapotranspiration in the tomato variety “},
  journal = {Springer Link (Chiba Institute of Technology)},
  year = {2025},
  doi = {10.1051/bioconf/202520501028/pdf},
  url = {https://doi.org/10.1051/bioconf/202520501028/pdf}
}