Journal or Book Title
Tree Planters' Notes
A summary is given of studies during 1987-89 at State forest nurseries in Iowa, Illinois, Indiana, Missouri and Ohio. Standards are suggested for improving root and shoot characteristics (especially the number of permanent first-order lateral roots) ofQuercus rubra, Q. alba and Juglans nigra bare-rooted seedlings using control of bed density and seed source, and undercutting.
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Schultz, Richard C. and Thompson, Janette R., "Nursery Practices That Improve Hardwood Seedling Root Morphology" (1990). Forestry Publications. 13.