In this study. brewery sludge was evaluated in comparison with the recommended NP mineral fertilizer rate to elucidate a potential source of nutrients for maize crop. Randomized complete block design (RCBD) was laid out in three blocks at the experimental site. Physicochemical properties of the experimental soil and brewery sludge (BS) were evaluated in the soil laboratory. https://foldlyers.shop/product-category/sound-meters/