DHULIPALLA A, BHASKAR VV, P. SUBBARAMAMMA. Influence of different spacings, SNP concentrations and sources of nitrogenous fertilizer on the total carotenoids content in African marigold. Jour of Orna Horti. 2024;27(1):42-50. Accessed June 8, 2026. https://epubs.icar.org.in/index.php/JOH/article/view/153875