Abstract
Abstract The article presents the results of modeling the cultivation of barley on leached chernozems of the Penza region. In order to conduct modeling, the Decision Support System (DSS) for agroecological optimization of adaptive farming systems was modernized. The adaptation of the program modules to the climatic and soil conditions of a particular research area allowed us to reach 7% of the error when modeling the cultivation of agricultural crops in the presence of a complete set of indicators necessary for building the model. Technological calculations of the model made it possible to reduce the number of minimum necessary technological operations, as well as rationally distribute the application of mineral fertilizers for the planned yield. The economic calculations of the model allowed us to achieve a high profitability of production of 66±7%. The constructed model was tested at the experimental field in 2020. Practical verification showed the possibility of using the model in agricultural production under normal climatic conditions and its high correlation with the actual results obtained. Statistical analysis of the calculated data of the model and the actual yield with the achieved economic indicators in the conditions of the model field showed the level of reliability of calculations of 95%. Keywords: AGROECOLOGICAL OPTIMIZATION, AGROECOLOGICAL ASSESSMENT, AGROECOLOGICAL MODELING
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