Working Document Series Open Access Response of tomato to coffee pulp and phosphate rock composts applied to a phosphorus deficient Ultisol J.P. Mrema · M. J. Shitindi A glasshouse experiment was conducted using tomato (Lycopersicon esculentum M.) var. Carl J to investigate the effect of composting coffee pulp with Minjingu phosphate rock (MPR) on phosphorus availability, plant growth and yield response … RUF-34686 2010 CC BY 4.0 9 Sep 2015