title: ÐÐ°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð³Ð¸Ð´ÑÐ¾ÑÐ¸Ð·Ð¸ÑÐµÑÐºÐ¸Ñ ÑÐ²Ð¾Ð¹ÑÑÐ² Ð¿Ð¾ÑÐ²Ñ Ð´Ð»Ñ ÑÐ°ÑÑÐµÑÐ° Ð¿ÑÐµÑÐ¸Ð·Ð¸Ð¾Ð½Ð½ÑÑ Ð½Ð¾ÑÐ¼ Ð¾ÑÐ¾ÑÐµÐ½Ð¸Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Mathematical modeling of the hydrophysical properties of the soil for the calculating the precise irrigation rates
Creators: name: Ð¡Ð¼Ð¸ÑÐ½Ð¾Ð², ÐÐ¸ÐºÐ¸ÑÐ°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2023
Subjects: ÐÐ°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
ÐÑÐ¾ÑÐµÐ½Ð¸Ðµ
Ð¿Ð¾ÑÐ²Ð°
Ð²Ð¾Ð´Ð¾ÑÐ´ÐµÑÐ¶Ð¸Ð²Ð°ÑÑÐ°Ñ ÑÐ¿Ð¾ÑÐ¾Ð±Ð½Ð¾ÑÑÑ
Ð³Ð¸ÑÑÐµÑÐµÐ·Ð¸Ñ
soil
water retention capacity
hysteresis

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description: Theme of the dissertation: "Mathematical modeling of the hydrophysical properties of the soil for the calculating the precise irrigation rates". Work is devoted to the study of the precise rates for irrigated farming by mathematical modeling of the hydrophysical properties of the soil based on data obtained in field and laboratory experiments. Tasks that were solved in the course of the study: 1) development of a method for calculating the scanning branches of the hysteresis loop of the water-retention capacity of the soil; 2) sampling of undisturbed soil on the lands of the Research Institute of Agriculture of the Crimea; 3) laboratory studies of the hydrophysical properties of soil samples; 4) functional description of the water-retention capacity of the soil (as a capillary-porous medium, taking into account hysteresis) as a dependence of the volumetric soil water content on the capillary pressure of soil moisture; 5) identification of the parameters of the used function of the water-retention capacity of the soil in the hysteresis sweep; 6) verification of the computer program for calculating the precision irrigation rate on the example of the soil of the Research Institute of Agriculture of the Crimea. Field and laboratory experiments were carried out on the basis of the Research Institute of Agriculture of the Crimea (Simferopol) and the Agrophysical Research Institute (St. Petersburg), where a significant part of the materials for the dissertation research was obtained: undisturbed soil samples, data on the hydrophysical properties of the selected samples. As a result, the indicators of the hydrophysical properties of the studied soil were evaluated, using these indicators, the precise and Â«traditionalÂ» irrigation rates were calculated and compared. For the obtained results of the study, a computer program Â«SoilHysteresis-v.1.0Â» was used, developed at Peter the Great St. Petersburg Polytechnic University.