Zulfiya Kamalovna Yuldasheva and Nargiza Khashimjanovna Ergasheva 2021. Effects Of Sowing Scheme On Yield Elements And Yield Of Oil Sunflower Varieties. The American Journal of Agriculture and Biomedical Engineering. 3, 01 (Jan. 2021), 1–5. DOI:https://doi.org/10.37547/tajabe/Volume03Issue01-01.