Theoretical Analysis of Moisture Dynamics on the Irrigated Areas

Limitation of water resources at the arid countries (Uzbekistan and the most part of the Chinese national democratic republic) demands to develop more exact and mathematically proved methods for moisture management on an irrigated field. Results of theoretical researches on dynamics of humidity have shown: (1) similarity of physical processes of change of humidity of soil on different irrigated areas. (2) Hysteresis of the nature of humidity at an irrigation and drainage. (3) Sharp recession of humidity of soil in the root zone.

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