Working Document Series Open Access Optimization of biosolids as a substrate for quality tomato transplant production S. O. Nyalala · P. C. Otieno · J.N. Wolukau Tomato (Solanum lycopersicum L.) is an important fruit vegetable crop for human health and nutrition as well as for income generation. The quality of the transplant affects the overall quality and yield of the crop. However, poor soil cond… RUF-38596 2018 CC BY 4.0 25 Aug 2020