The book "Theoretical and experimental studies of the process of seed sowing of grain crops by the combined seedling-cultiv" by N. P. Laryushina is a unique study that immerses the reader in the world of agronomy and agricultural machinery. This publication will be especially interesting for those who are engaged in agriculture, agronomy, mechanization of sowing processes and everyone who seeks to improve their knowledge in the field of modern soil treatment and sowing technologies. The book deals in detail with the theoretical aspects of the sowing process, as well as the results of experimental studies conducted by the author. Laryushin shares his observations and conclusions on how combined coulters can improve the efficiency of seed planting of grain crops. The reader will be able to learn about the various methods used in agronomic practice, and how they affect crop yields and quality. The author not only describes the mechanisms of work of coulters, but also offers practical recommendations for their use, which makes the book useful both for students of agronomic specialties and for practicing farmers. The book will be particularly relevant for agricultural professionals, engineers, and students studying agronomy and mechanization. It is suitable for those who are interested in modern methods of increasing yields, as well as for those who want to understand the intricacies of working with various types of seeders and cultivators. Laryushin draws attention to the importance of choosing the right equipment and technologies, which can be a decisive factor for successful agriculture. The topics raised in the book cover not only technical aspects, but also economic. The author analyzes the impact of various technologies on costs and profits, which makes his work especially valuable for those who seek to optimize their production processes. In the modern agronomic market, where competition is growing and product quality requirements are becoming higher, such research is becoming an invaluable contribution to the development of the industry. Style N. P. Laryushina is distinguished by clarity and accessibility of presentation, which allows readers with different levels of training to easily absorb material. He skillfully combines theory with practical examples, which makes reading not only useful, but also fascinating. The author is also known for his other works in the field of agronomy and mechanization, which confirms his high level of expertise and deep knowledge in this field. If you are looking for information on how to improve your skills in planting crops, improve efficiency with seeders and cultivators, or just want to expand your knowledge in the field of agronomy, book H. P. Laryushina will be a great choice . It will not only enrich your knowledge, but also inspire new achievements in your agricultural business. Do not miss the opportunity to get acquainted with this important work, which can change your idea of the sowing process and its importance for successful agriculture.