BUTA SINGH DHILLON, and P. K. SHARMA. 2018. “Influence of Foliar Application of Boron and TIBA on Photosynthetic Parameters Visa- Vis Productivity of Sunflower (Helianthus Annuus L.) under Variable Sowing Dates”. Journal of Agrometeorology 20 (1):16-21. https://doi.org/10.54386/jam.v20i1.496.