This article discusses the effects of training on the physical fitness of short-distance runners.

This article talks about breathing exercises in performance and their types, as well as the advice of well-known pedagogues in this field.

Currently, in order to further improve the soil fertility in the planting of agricultural crops, the introduction of various tillage methods in agrotechnics, the effective use of mineral fertilizers in the growth of cotton, and certain results are being achieved. Cotton and grain are mainly planted, according to the scientific research of our scientists, only as a result of using the cotton-grain rotation system, a slight decrease in the agrochemical properties of the soil is observed. Planting alfalfa, legumes, vegetables, fodder and other soil fertility-improving crops on areas freed from grain is studied to have a positive effect on the next crops.

This article examines the main aspects of world geopolitics that influenced the development of Islamic civilization. Key factors are analyzed, including socio-political relations, religious issues, and universal benefits. The history of relations between regions, how much they have in common and how often in the past one had a beneficial effect on the other.

In the work of Alisher Navoi, the genre of rubai, which is considered one of the most ancient and widespread genres of oriental poetry, occupies a large place. All the rubais in Navoi's works are rich and thoughtful, they encourage the reader to think and observe. In this article, the great thinker's prose and scientific writings are explained and shown with several examples of their deep philosophical knowledge.