B B PRAVEEN KUMAR and G SOMANAGOUDA 2020. Effect of phosphorus biofertilizers and foliar spray of potassium fertilizers on growth and yield of sunflower (Helianthus annuus L.): Effect of phosphorus biofertilizers and foliar spray of potassium fertilizers on growth and yield of sunflower (Helianthus annuus L.). Journal of Oilseeds Research. 37, Specialissue (Mar. 2020). DOI:https://doi.org/10.56739/jor.v37iSpecialissue.139865.