The agrochemical complex is considered the main component of our country's economy, and one of the important factors of its acceleration is chemicalization, first of all, the wide use and effective use of mineral fertilizers. The existence of a large-capacity industrial base for the production of mineral fertilizers, including phosphorus fertilizers, the decrease in the quality of the imported Korotag phosphorite raw material and the decrease in its reserves, as well as the constant interruption in the supply of local raw materials - put mastering of the material base among the urgent problems. To get out of this situation, several government decisions were made on the development of the local raw material base based on phosphorites of Central Kyzylkum (MK), which has no analogs among the phosphorites of the CIS countries and is a new industrial variety for production, located in the Navoi region. done. The monograph is intended for use by independent researchers, basic doctoral students, research interns, master's and bachelor's students, as well as professionals working in this field in training courses.