Description

Seedbed thinners reduced the density of overcrowded seedbeds permitting development of larger caliper tree seedlings. Mechanical tractor-drawn and hand-operated thinners adapted from commercially available thinners are available that reduce the cost of hand thinning.

References / Additional Information

Dykeman, K.; Hallman, D. 1981. Forest Service Equipment Development Center activities. In: 35th Annual Report of the Vegetative Rehabilitation and Equipment Workshop (VREW); 1981 February 8-9; Tulsa, OK. Missoula, MT: USDA Forest Service Equipment Development Center: 46-49. (Report discusses mechanical and hand-operated seedbed thinning equipment).

Dykeman, K.; Hallman, D. 1983. Forest Service Equipment Development Center activities. In: 37th Annual Report of the Vegetative Rehabilitation and Equipment Workshop (VREW); 1983 February 13-14; Albuquerque, NM. Missoula, MT: USDA Forest Service Equipment Development Center: 49-57. (Report discusses hand-operated seedbed thinning equipment).

USDA Forest Service Missoula Equipment Development Center. 1981. Mechanical nurserybed thinner. 35th Annual Report of the Vegetative Rehabilitation and Equipment Workshop (VREW); 1981 February 8-9; Tulsa, OK. Missoula, MT: USDA Forest Service Equipment Development Center: 46-49.

USDA Forest Service Missoula Equipment Development Center. 1983. Seedbed thinning equipment and mycorrhizae inoculum applicator. 37th Annual Report of the Vegetative Rehabilitation and Equipment Workshop (VREW); 1983 February 12-13; Albuquerque, NM. Missoula, MT: USDA Forest Service Equipment Development Center: 54-57.