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Biotechnological Processing of Organic and Domestic Waste and the Effect of Obtained Vermicompost on Soil Fertility

Xafiza Isroilovna ErgashevaDepartment of Genetics and Biotechnology , Institute of Biochemistry , Samarkand State University , 140104 , Samarkand , UzbekistanZafar Fayzullayevich IsmoilovBegali Saydullayevich AlikulovDepartment of Genetics and Biotechnology , Institute of Biochemistry , Samarkand State University , 140104 , Samarkand , UzbekistanNasiba Xodjayeva Jo‘raqulovnaZarrina Faxriddinovna TillaevaDepartment of Genetics and Biotechnology , Institute of Biochemistry , Samarkand State University , 140104 , Samarkand , UzbekistanIkram Iskandarovich AbdullaevKhorezm Academy of Mamun , Markaz 1 , 220900 Khiva , UzbekistanAlimardan Yusupovich RaxmatullayevDepartment of Zoology , Faculty of Chemistry and Biology , Karshi State University , Kuchabag 17 , 180100 , Kashkadarya , UzbekistanOlimaxon Khaliqjonovna ErgashevaNational University of Uzbekistan named after Mirzo Ulug'bek , 4 University Street , 100174 , Tashkent , Uzbekistan

2024en

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ABI

Annotatsiya

Vermicomposting in comparison to conventional composting has several advantages, such as faster treatment of organic waste and production of manure compost with lower levels of salinity.Therefore, the determination of optimal mixtures of organic waste and manure for vermicomposting and deployment of local earthworms for this procedure have important implications in plant agriculture.In this work, the vermicompost was prepared from mixtures of manure (cattle, horse and sheep) and household organic waste (wood shavings, paper, leaves, fruit and vegetable waste) in various ratios.To convert the organic waste to the vermicompost we used the local earthworm Eisenia fetida (Savigny, 1826), while a hybrid species Eisenia anderii (Iogonen, 1995), served as control.Chemical analysis of the resulting vermicompost revealed significant increase in nutrient content compared to the initial substrate: the total nitrogen (N) was increased by 79%, phosphorus (P) by 89% and potassium (K) by 62%.The efficacy of the vermicompost, which was evaluated to have high NPK content, was further studied by observing its impact on the growth of local cucumber variety Miracle F1.As a control, the plants were cultured in medium without vermicompost (black sand).In this work, we examined the effect of different proportions of vermicompost on the development and yield of cucumber seedlings.The experiments were conducted in the greenhouse of the Institute of Biochemistry, Samarkand State University.Cucumber seedlings were grown in a medium containing 10%, 20%, 30% vermicompost.

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DOI: 10.12911/22998993/189894

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