ABSTRACT A research to study influence of dose of bokasi poultry Manure against the spinach plants (Amaranthus spp.). The subject of the research for knowing how much of the maximum dose using bokasi poultry manure, so it can increase the spinach crop. This research is performed since April till July 1999 at Krendetan village, Bagelen, Purworejo, with altitude is 10 meters.…