The factors that infl uence management decisions related to the choice of technologies and technical means are summarized. The urgency of software development for these factors is shown. Examples of foreign and domestic software products available in this fi eld are given, their advantages and disadvantages are shown. The descripton of the structural approach to the software product development is given. Its main point is to determine the importance and priorities among the existing factors with the aim of establishing the structure of their relationship. Requirements to the structural scheme of the software being developped are presented, icluding its main components, their functions, the rules of communication and the scheme of input and output of information. The structural diagram that shows the choice of technologies and technical means in crop production is presented. It covers the technology of remote access based on the use of cloud technologies. The main factors infl uencing the choice of technologies and technical means are identifi ed. The structural scheme presented takes into account restrictions imposed by agro-climatic and production conditions faced by agricultural producers, i.e. amount of work and terms, phytosanitary conditions, relief and contour of fi elds for the selection of technologies and rational composition of the machine and tractor fl eet, as well as technical and economic characteristics of technical facilities. The structural scheme also ensures that the requirements of universality and compatibility of the software product, as well as information input and output are met. A general description of the diagram and the blocks it consists of are given: database, inital data input, technology selection and report generation.

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It is shown that the application of the Internet technologies is relevant in the selection of crop production technologies and the formation of a rational composition of the machine-and-tractor fl eet taking into account the conditions and production resources of a particular agricultural enterprise. The work gives a short description of the web applications, namely “ExactFarming”, “Agrivi” and “AgCommand” that provide a possibility to select technologies and technical means of soil treatment, and their functions. “ExactFarming” allows to collect and store information about temperature, precipitation and weather forecast in certain areas, keep records of information about crops and make technological maps using expert templates. “Agrivi” allows to store and provide access to weather information in the fi elds with certain crops. It has algorithms to detect and make warnings about risks related to diseases and pests, as well as provides economic calculations of crop profi tability and crop planning. “AgCommand” allows to track the position of machinery and equipment in the fi elds and provides data on the weather situation in order to plan the use of agricultural machinery in the fi elds. The web applications presented hereabove do not show relation between the technologies applied and agro-climatic features of the farm location zone. They do not take into account the phytosanitary conditions in the previous years, or the relief and contour of the fi elds while drawing up technological maps or selecting the machine-and-tractor fl eet. Siberian Physical-Technical Institute of Agrarian Problems of Siberian Federal Scientifi c Center of AgroBioTechnologies of the Russian Academy of Sciences developed a software complex PIKAT for supporting machine agrotechnologies for production of spring wheat grain at an agricultural enterprise, on the basis of which there is a plan to develop a web application that will consider all the main factors limiting the yield of cultivated crops.