Study on the influence of rice paddies’ water layer temperature on rice yield
Alexey RauDepartment of Hydraulic Engineering and Melioration, Kazakh National Agrarian University, Almaty 050000, Republic of KazakhstanIlkhom BegmatovDepartment of Irrigation and Melioration, Tashkent Institute of Engineers of Irrigation and Agricultural Mechanization, 100000 Tshkent, UzbekistanG RauKazakh National Agrarian University, Almaty 050000, Republic of Kazakhstan
ABI
Abstract
Abstract Studies on Akdala rice system found that rice plants sensitive to meteorological conditions. Climate change leads to changes in crop structure. The temperature of the rice field air and water has a special influence on the structure of the rice crop. It is established that the temperature of the water layer in rice paddies in the irrigation period does not exceeds 29 0 C, which is below the threshold of 35 0 C, when the flow and discharge of water from the paddies are recommended. The temperature of water in rice paddies, the surface layer was determined by an express thermometer, at the depth of the water layer 5, 10, 15 and 20 cm by Savin Thermometers, soil – thermometers TM-5.
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