In the world, scientific work is being carried out in a number of priority directions on maintaining, restoring, and increasing soil fertility, as well as returning plant residues to the soil, minimal processing, and the preparation and use of organic fertilizers from household waste. In this regard, special attention is paid to studies aimed at optimizing the agrophysical, agrochemical and other properties of soils based on the soil-climatic conditions of the regions, developing agro-measures based on the soil-climatic conditions of each region, restoring, maintaining and increasing soil fertility. Effective use of land, water and other natural resources, providing the population with ecologically clean and high-quality products, maintaining and increasing soil fertility, and using high-performance modern resource-saving technologies in the care of agricultural crops are the main tasks in Uzbekistan today. In the article, the general physical properties of irrigated gray soils distributed in Piskent district of Tashkent region, the general physical properties of nitrogen, phosphorus, potassium in the environment of humus, poultry manure, the positive effect of their use on the development of cotton crops and the amount of yield were determined.