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The program for maintaining food security is, first of all, a set of measures consisting of systemic, mathematically based models, taking into account the largest number of factors, signs, indicators and criteria that affect the stability of production. Stability of agricultural production directly depends not only on the degree of use of advanced technologies by the region and the economy (optimal crop rotations together with ecological adaptive technology for processing crop rotation fields, selection achievements, the use of modern mineral and organic fertilizers, the use of advanced herbicides, pesticides and others agrochemicals), technical equipment with modern domestic and/or foreign agricultural machinery, but also on the degree of optimization of using available resources on farms. The article uses a probabilistic model of the process of reducing the cost of planned reclamation measures. Within the framework of the proposed model, the optimization problem of finding the cost of activities that ensure the maximum profit for the farm has been solved. A numerical iterative algorithm for solving it has been performed. The solved problem will allow the development of calculation scenarios and control of the rice irrigation system based on mathematical modeling using modern computing facilities.

Optimization problem in mathematical modeling of technological processes of economic activity on rice irrigation systems