Open Access Research Paper Views (410) Download (16) Impact of rice-straw biochar on some selected soil properties and rice (Oryza sativa L.) grain yield Adel Mohamed Ghoneim, Azza Ibrahim Ebid Int. J. Agron. Agri. Res.3( 4), 14-22, April 2013. Key: Biochair productionN dynamicsRice straw biomassSoil chemical properties Details