RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Skip to content. | Skip to navigation

Home Publications Tree Planters' Notes Tree Planters' Notes Volume 50, Number 1 (2003) Estimating Merchantable Seedlings in Nursery Seedbeds

Estimating Merchantable Seedlings in Nursery Seedbeds

We determined the sample size needed to accurately estimate the number of merchantable seedlings per seedbed in forest tree nurseries in Wisconsin. Analysis of highly variable seedling stocking within some seedbeds indicates that it is better to use more, small, closely spaced samples distributed throughout a seedbed, rather than a few, large, widely spaced samples distributed across a seedbed. We suggest a new sampling design using 4-ft-long (1.22-m-long) row segments distributed throughout the seedbed, where the number of samples (row segments) can be adjusted proportionally to the heterogeneity of seedling density within the seedbed. Our approach is broadly applicable to other bareroot nurseries.

Download this file:

PDF document Download this file — PDF document, 1176Kb


Author(s): Cuauhtemoc Saenz-Romero, Trenten Lee Marty, Raymond P. Guries

Publication: Tree Planters' Notes - Volume 50, Number 1 (2003)

Volume: 50

Number: 1