Influence of timing of crops and norms of mineral fertilizers for winter barley yield

The article presents the results of studies on the responsiveness of winter and two-handled barley varieties on the terms of sowing and mineral fertilizers in conditions of light-yellow soil of the Kashkadarya region. It is established that, as the planting time lags, efficient mineral fertilizers are reduced. The highest grain yield is formed when sowing on October 15 with the application of mineral fertilizers N180P90K60 kg / ha.