Open Access Research Paper Views (1158) 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. & Agric. Res. 3(4), 14-22, April 2013. Keywords: Biochair production, N dynamics, Rice straw biomass, Soil chemical properties Details