Mambo, W., Mataa, M. and Chishala, B. 2018. Comparative effects of jatropha seedcake, chicken and kraal manures on selected soil properties, growth and yield of tomato (Lycopersicon esculentum). International Journal of Agricultural Research, Innovation and Technology. 8, 1 (Sep. 2018), 1–6. DOI:https://doi.org/10.3329/ijarit.v8i1.38222.