Two experimental burns were tested on a peaty, very moist, lowland site in southeastern Manitoba to improve seedbeds and black spruce (Piceamariana (Mill.) BSP.) regeneration after cutting. The operations were conducted under different degrees of desiccation in the upper peat materials so that light and moderate burns were obtained. Unmerchantable trees that were left standing at the time of cutting constituted the main seed source on each of the burns. After five growing seasons, black spruce stocking by 0.001-acre (4.047-m2) quadrats was 94% on the moderate burn, 70% on the light burn, and 35% on the control. The numbers of seedlings associated with this stocking were 16 129, 3075, and 1898/acre (39 856, 7598, and 4690/ha), respectively. Various seedbed, regeneration, and plant-succession characteristics indicated beneficial effects of burning, and on this basis, future requirements for its postcut use on the black spruce lowlands are discussed.