This study aimed to know the effect of several biochar and goat manure on the growth and yield of cauliflower (Brassica oleracea var. Botrytis L.) and weed growth. This research was carried out at Palembang, South Sumatra, from September to December 2022. This research was conducted using a factorial randomized block design consisting of 2 factors and 3 replications. The first factor was the do…