Imomaliyev Mirshokhid 2025. The Effect Of Organic, Mineral And Biopreparations On The Amount Of Nitrate Nitrogen In The Soil Depending On The Rates And Timing Of Application Of White Cabbage Plants. The American Journal of Agriculture and Biomedical Engineering. 7, 09 (Sep. 2025), 34–38. DOI:https://doi.org/10.37547/tajabe/Volume07Issue09-06.