Working Document Series Open Access Assessment of the effect of shea nut cake biochar on tomato (Solanum lycopersicon L.) growth J.M. Agbattey · A.K. Quainoo This study was conducted to assess the effect of Shea nut cake biochar on tomato growth, evaluate the soil-biochar ratio necessary for enhanced tomato growth and assess the response of local and Petomech variety to soil-biochar treatment. … RUF-39849 2019 CC BY 4.0 1 Mar 2023