This research was conducted to find out the growth and yield of the onion varieties of Bima Brebes with the treatment from phosphorus fertilizer and biochar. This research was held in Kecamatan Kalidoni Kelurahan Sei. Selayur Palembang on April until June 2020. This research used the onion seed of varieties Bima Brebes. This research used the Randomized Block Design Factorial method with 2 fact…