The book "Testing of agricultural machinery and power plants . The textbook for students of higher educational institutions" edited by Oleg Ivanovich Polivaev is an indispensable source of knowledge for students and specialists seeking to better understand the intricacies and nuances of working with agricultural machinery . In today's world, where the agricultural sector is becoming more and more technologically advanced, this manual provides relevant information necessary for the successful development of the profession. From the first pages, the reader plunges into the world of agricultural machinery, where the basic principles of testing and evaluating the effectiveness of various installations are considered. The book covers a wide range of topics, including test methods, analysis of results, and current trends in agronomy and mechanization. Particular attention is paid to practical aspects, which makes the material not only theoretically significant, but also practically applicable. This is especially important for students who are preparing for future professional activities and want to be confident in their knowledge. Who can like this tutorial? First of all, it will be useful for students of agronomic and engineering specialties, as well as for those who are interested in agriculture and new technologies in this field . The book will be of interest to both beginners and those who already work in the agricultural sector and want to update their knowledge. The manual can also attract the attention of teachers who are looking for high-quality and relevant materials for their courses. The topics raised in the book cover not only technical aspects, but also economic, environmental and social issues related to the use of agricultural machinery. In the context of global climate change and the growing population of the planet, the effective use of resources becomes especially relevant. The book emphasizes the importance of sustainable development and rational use of technology, which makes it an important contribution to the discussion of modern challenges in the agricultural sector. The style of the authors working on this book is distinguished by the clarity and accessibility of the presentation .. They strive to convey complex technical concepts in a simple and understandable language, which makes the material available to a wide audience. Oleg Ivanovich Polivaev, as one of the leading specialists in the field of agricultural mechanics, brings his experience and knowledge to the text, which makes the manual not only educational, but also a practical guide. If you are looking for a tutorial that will help you understand the tests of agricultural machinery and power plants, then “Testing agricultural machinery and power plants” is exactly what you need. The book will become a reliable assistant in studies and professional activities, as well as open new horizons for understanding the most important aspects of agrarian mechanics. Do not miss the opportunity to enrich your knowledge and become a real expert in this fascinating and important area!