Lipi, N.J. and Maniruzzaman, M. 2023. Impact of Biochar on Yield and Nutrient Conservation in the Sunflower (Helianthus annuus L.) Field in Non-Saline Tidal Ecosystem: Impact of biochar on yield and nutrient in sunflower. South Asian Journal of Agriculture . 9, 1-2 (Dec. 2023), 64–71. DOI:https://doi.org/10.3329/saja.v9i1-2.69750.