Open Access Research Paper Views (9) Download (4) Productivity of watermelon (Citrullus lanatus L. ) in biochar-amended soil Princess Joy B. Ticman Int. J. Agron. Agri. Res.25( 5), 23-32, November 2024. Key: BiocharInorganic fertilizerPelletized biocharReturn on investmentWatermelon Details