This article discusses the mathematical model of furrow irrigation to establish irrigation rates when watering cotton through a screen from an interpolyme complex (IPC) with the addition of mineral fertilizers. By the change in “I” when watering cotton through a surface screen from IPC with the addition of mineral equations, we can say that physically the effect of the screen will affect the amount and rate of infiltration «I» and “ϑI ”, other relations do not change. In the case of placing the screen in the form of a thin film (as experiments show), soil infiltration decreases by approximately 3-3.5 times.

In the world, special attention is paid to targeted research on water resources management and efficient use of irrigation water resources. In this regard, one of the main tasks is to improve the technique of irrigation of fields using cheap chemical and technical means, the development of new methods of water-saving irrigation, the development of the theory of water-saving technologies in irrigation of fields. In this regard, the use of inexpensive interpolymers to reduce soil composition and irrigation water infiltration is of particular importance.

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