Allan, A.Y.Ströbel, H.2015-07-272015-07-271987Ministry of Agriculture. (1987). Fertilizer Use recommendation Project (Phase 1) Final Report - Compilation of Results from Former Fertilizer Trials. (Vol 1 & 2, June 1987). https://kalroerepository.kalro.org/handle/0/6416https://kalroerepository.kalro.org/handle/0/6416We acknowledge with thanks all the assistance provided by the Ministry of Agriculture, the Kenya Agricultural Research Institute and all the Kenya Agricultural Research Stations.enhttp://creativecommons.org/licenses/by/3.0/Report193Soil typesVariety trialsHybridsPlanting date