IMPACT OF FOLLOW-UP LEGUMES ON GROWTH, DEVELOPMENT AND PRODUCTIVITY OF WINTER WHEAT AND COTTON IN THE CONDITION OF UZBEKISTAN

According to the results of the study, the norms of optimal fertilizers for legumes and winter wheat, which were sown after the main crops – cotton and winter wheat-acceptable crops and subsequent crops under the gray soils of Jizzakh region, were determined. Also, it was revealed from the surveys that 15.8-62.2 and 16.0-65.2 kg of nitrogen were collected per hectare due to the increase in soil fertility after the second crop, the amount of humus in the 0-30 cm layer of soil, by 0.071 %. At the same time, the yield of cotton was 38.0-39.0 dt / ha, and in autumn wheat these figures were 57.3-59.0 dt / ha.