| Issue |
E3S Web Conf.
Volume 454, 2023
3rd International Conference on Applied Sciences 2023 “Strengthening Agro-maritime in the 21st Century with Multidisciplinary Collaboration” (ICAS 2023)
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|---|---|---|
| Article Number | 02002 | |
| Number of page(s) | 7 | |
| Section | Environmental, Science, and Sustainability on Agromaritime | |
| DOI | https://doi.org/10.1051/e3sconf/202345402002 | |
| Published online | 29 November 2023 | |
Influence of variability of climatic indicators onwater consumption of cotton
Russian State Agrarian University - Moscow Timiryazev Agricultural Academy, Moscow, Russian Federation
* Corresponding author: ubezborodov@rgau-msha.ru
Processing and analysing average annual climatic parameters over 89 years revealed some trends in air temperature, relative air humidity, and precipitation in the typical grey soils (sierozem) region. These trends demonstrate sustained growth of the climatic indices. However, evaporation rates, deficit indices, and their movements, calculated and performed based on the above climatic parameters, have been decreasing with time. Over the recent years, such a downward tendency in climate elements change has reduced irrigation water requirements of early-ripening cotton plants. The article performs experimental data on evaporation rates measured using small-diameter evaporation pans about watertemperature and wind speed. In the region with typical grey soilsover quite a long observation period, significant changes in climatic elements have occurred, which have had a substantial impact on irrigation schedules and total water consumption of crops; these changes are the following: the rise of annual average air temperature by one degree, relative air humidity – by 25%, precipitation – by 40%.
© The Authors, published by EDP Sciences, 2023
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