Planted Yellow-Poplar Outperforms Six Other Species on Loess Sites
After 2 years in an experimental plantation on the brown loam bluffs near Vicksburg, Miss., yellow-poplar trees averaged two to six times taller than southern red oak, cherrybark oak, water oak, swamp chestnut oak, Shumard oak, and sweetgum. The study began in the fall of 1960, when over story trees, predominantly American beech, were cut (when merchantable) or deadened on four separate blocks in a mixed stand of bluff hardwoods. Then, in January 1961, 20 locally grown 1-0 seedlings of each of the seven species were planted on each of three sites within each block. The sites were bottoms (0-5 percent slope), medium slopes (15-22 percent slope), and steep slopes (29-35 percent slope). Soils were Vicksburg, Memphis, Wakeland, Falaya, and Collins silt loam. All can produce good hardwoods.
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Author(s): Robert L. Johnson, Roger M. Krinard
Publication: Tree Planters' Notes - Issue 61 (1963)