A technique is proposed for forecasting water saturation of fill and undisturbed grounds used in construction when making a foundation. Dependencies are established between the content of individual granulometric fractions of grounds and their physico-mechanical properties. Reliable regression equations are obtained, which formed the basis of a mathematical model for predicting the water saturation of grounds. A software product has been developed, the work of which was tested using the example of the basic hydro-physical characteristics of the grounds differing in their properties (black earth and salt earth). The results obtained reliably prove the possibility of using the model and software product in a wide range of granulometric composition values and physical and mechanical properties of grounds.

The article is devoted to current issues of the digital economy. The scientific development of digital rights and transactions in the digital space is in line with the priority policy of the development of the information society and the digital economy, is a factor of a steady business cooperation, including international, and this determines the relevance of the topic of the article. Based on the analysis of the norms of international, Russian and foreign law, certain areas of the digital economy in civilian circulation have been analyzed, problems have been identified and proposals have been developed for their solution by organizational and legal means. The study of international experience allows for the conclusion of ever-increasing importance of transactions made in electronic form. In the civil legislation of Russia, the regulation on making transactions in electronic form has been approved: a transaction can be concluded by electronic means and it can be executed through the use of information technology without the additional will of the parties. These adjustments guarantee distribution mechanisms requested by practice in the digital environment. The analysis of the issues of the digital economy in Russia has revealed a number of problems: the lack of the concept of the development of the digital economy and a unified approach to the understanding of digital rights; digital inequality, and insufficient norm regulation of transactions in the digital environment. The following measures are advisable to solve problems: developing a unified conceptual approach to the digital economy and digital rights; specification of norms on transactions in the digital environment; overcoming digital inequality, in particular by providing the rural area with the Internet. To protect digital transactions, it is possible to introduce the refusal of the parties from auto payment in the event of improper execution of the contract, balancing the interests of the parties. The results of the study are the proposals for the organizational and legal support of the realization of digital rights and transactions in the digital environment, which will help to solve the tasks of the society and the state.

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In the practice of agricultural production, there are enough examples in the field of agriculture, when non-observance and violation of the laws of agriculture did not receive positive results. These include unjustified land reclamation, chemicalization, intensive technologies, reforming the agro-industrial complex. Taken without taking into account mutual, systemic connections, factors and methods seemed to be quite reasonable, extremely necessary, ecologically justified, and as a result, they often led to negative results of the functioning of agricultural production. In addition, it must be borne in mind that the state of agriculture has a huge impact on all aspects of the life of society and the country as a whole. It should be reminded of food independence and self-sufficiency in food. The laws of agriculture are manifested in production conditions in the universal law of conservation of matter and energy, in the system man - nature. Attempts to solve problems without scientific substantiation, bypass or ignore objective economic and natural laws have always ended in failure. In order not to unreasonably harm agroecological landscapes, an increasing number of computer techniques are proposed for modeling soil processes.