Agriculture Handbook, Issue 583U.S. Department of Agriculture, 1949 - 91 pages Set includes revised editions of some issues. |
From inside the book
Results 1-5 of 15
Page 11
... crown becomes thin and sparse . The leaves and trunk develop a black , sooty mold , which thrives on honeydew ( Burns 1970 ) . Parasites and predators generally are effective control agents of the scale . The yellow - poplar weevil is a ...
... crown becomes thin and sparse . The leaves and trunk develop a black , sooty mold , which thrives on honeydew ( Burns 1970 ) . Parasites and predators generally are effective control agents of the scale . The yellow - poplar weevil is a ...
Page 13
... crown loss is not complete . In a 50 - year - old stand thinned at age 43 , a winter glaze storm resulted in severe crown breakage ( Della - Bianca and Beck 1977 ) . Crown loss averaged 39 percent , with some trees losing as much as 90 ...
... crown loss is not complete . In a 50 - year - old stand thinned at age 43 , a winter glaze storm resulted in severe crown breakage ( Della - Bianca and Beck 1977 ) . Crown loss averaged 39 percent , with some trees losing as much as 90 ...
Page 14
... crowns . Nearly 70 percent of the saplings had vines in their crowns . On poorer quality sites , vines were less of a problem . On areas with a medium site index for yellow - poplar , there were only 16 vines per acre , and they were ...
... crowns . Nearly 70 percent of the saplings had vines in their crowns . On poorer quality sites , vines were less of a problem . On areas with a medium site index for yellow - poplar , there were only 16 vines per acre , and they were ...
Page 15
... crown , and sometimes death of the tree . Grapevines also worsen winter storm damage in some areas by furnishing increased surface area for accumulation of ice and snow . Site Requirements Climate Because of its wide geographic ...
... crown , and sometimes death of the tree . Grapevines also worsen winter storm damage in some areas by furnishing increased surface area for accumulation of ice and snow . Site Requirements Climate Because of its wide geographic ...
Page 17
... crown were filled 4 percent more than seed from the lower third . Also , trees in closed stands had about the same percentage of filled seed as did trees in open stands , and seed quality was nearly the same on fertile and poor soil ...
... crown were filled 4 percent more than seed from the lower third . Also , trees in closed stands had about the same percentage of filled seed as did trees in open stands , and seed quality was nearly the same on fertile and poor soil ...
Other editions - View all
Common terms and phrases
Agric Appalachian hardwoods Asheville Beck and Della-Bianca Blocked-in area indicates board-foot board-foot volume Boyce Broomall Bull Carvell Clark clearcut Coastal Plain codominant Counc crown cubic-foot volume cutting D.b.h. inches damage diameter growth epicormic fertilization grapevines growing stock growth of yellow-poplar hardwood stands hardwoods height growth horizon inches d.b.h. Limstrom Liriodendron tulipifera loblolly pine McGee Minn North Carolina North Cent Northeast northern red oak Note obtained from North Ohio Olson Paul percent Phytopathology Piedmont pine plantation planted yellow-poplar poplar pounds per acre Proc regeneration residual basal area Serv Sluder soil South Southeast Southern Appalachians species specific gravity sprouts stand densities stem Symp Table Tech Tennessee thinning timber Total tree height tree height feet Tree Improv Tree Planters trees per acre Trimble Tryon tulip poplar tuliptree U.S. Dep Univ upland USDA Virginia pine West Virginia wood and bark yellow yellow-poplar seedlings yellow-poplar trees