Effect of cation rich biochar and micronutrient blended inorganic fertilizer on rice yield in an acidic soil Author/Editor(s): Umeugochukwu, O.Bala, A.Bello,, W.Oludade,, K.Date of publication: 2018RUFORUM Working document series Read more about Effect of cation rich biochar and micronutrient blended inorganic fertilizer on rice yield in an acidic soil