Vol. 4 No. 06 (2024): Volume 04 Issue 06

The article describes the results of scientific research on the economic efficiency of growing chickpeas, which is a leguminous crop, based on different sowing technologies in rainfed lands.

In this article, the effect of foliar feeding of potassium fertilizer on the background of mineral fertilizers on the number of stems and the level of preservation of hemp variety “Uzbek-2268” has been proven. Against the background of mineral fertilizers in the experiment, potassium mineral fertilizer was applied to the level of preservation of the number of stems at the end of the vegetation period in the variant given at 48 kg/ha in the phases of 2-3 true leaves of the hemp plant, budding-flowering and flowering-fruiting, it was found that it was 171.2 thousand bushes/ha, showing a high result compared to the options.

In the article, due to the impossibility of controlling the cleaning process in the UXK cleaning unit used in the process of cleaning cotton from small and large impurities, an improved scheme of the UXK cleaning unit was developed. After the cleaning process in the improved aggregate, the cotton is cleaned from small impurities in pile drums, it is possible to clean it from large impurities in the cleaning departments of the UXK unit.

It is scientifically proven that when Boms organic preparation was applied to the soil at the rate of 300-600 kg/ha before sowing and when cotton was cultivated for without mineral fertilizers, 40.7-41.8 c/ha of cotton can be grown.

In this article, the effect of different sowing norms on the yield elements of new varieties of repeated planted oilseed flax has been proven. In the experiment, 4-5-6 million seeds of Bahorikor (st), Russian Fliz, Danik, Biryuza, RFN varieties were used, and the effect on crop elements was studied. According to the sowing norms, it was proved that the elements of oilseed crop and the weight of 1000 seeds were high in the option where 4 million seeds were used, and when 5 and 6 million seeds were used, the yield elements of oilseed was higher, and the weight of 1,000 seeds were proven to be behind the option that used 4 million seeds. It has been proven that the Russian Fliz (st) variety, which gave good results on the same level as the Bahorikor (st) variety, was well adapted to the climatic conditions of Uzbekistan and prevailed over other varieties.

The main way to increase the yield of sunflower is to grow modern early-ripening varieties adapted to the soil conditions of the region for each region. In this scientific article, the main elements of the technology of cultivation of oil sunflower as a repeated crop of high-yielding early-ripening varieties have been developed. Sunflower was planted as a repeat crop after wheat, and when the planting schemes were used correctly, increased leaf area had a positive effect on yield. As the feeding area increased, the number of leaves increased and the highest value was observed in the planting scheme of 70x35–1. Dilbar variety of sunflower produced more leaves than all three cultivars in all planting schemes in terms of leaf number index due to its large leaves and high yield.

This article provides information on soil fertility, mechanical composition, general physical properties, and classification by erosion level. Erosion processes influence soil fertility and, in turn, soil agronomic properties.

Maize, a staple crop crucial for global food security, requires optimal nutrient management for maximum yield and quality. This study investigates the impact of soil-applied elemental sulfur on maize growth and development. Elemental sulfur, when applied to the soil, undergoes microbial oxidation to sulfate, an essential nutrient for plants. Our research evaluates the effects of varying sulfur application rates on maize growth parameters, including plant height, biomass accumulation, and grain yield. The findings reveal that appropriate sulfur supplementation significantly enhances maize growth, improves nutrient uptake, and increases grain yield. This study underscores the importance of sulfur in maize cultivation and provides practical recommendations for farmers to optimize crop productivity through effective nutrient management.