In this article, as a result of the use of chemical fertilizers (nitrogen, phosphorus, potassium), the amount of mobile nutrients in the soil increases significantly. This article talks about the use of chemical fertilizers in agriculture and its impact on the environment.
In this article, the situation that arose as a result of the creation of an independent state as a result of the aggravation of the political situation in Movarunnahr and Khorasan in the 9th-10th centuries AD, as well as the weakening of the Arab caliphate is studied. The article provides information about the Somani state - its establishment, rulers, state administration. At the same time, the foreign policy conducted by the Somonites is analyzed.