Christmas trees are grown in every county in Pennsylvania except Philadelphia. Although the census data do not support it, the three counties with the greatest production are Columbia, Indiana, and Schuylkill. They are listed as having 875, 672, and 458 acres in Christmas tree production, respectively; however, there are individual growers in each of these counties that alone have that much acreage in production. This section provides information on the 1997 Agricultural Census results on Christmas trees in Pennsylvania, as well as a short history of tree species grown in Pennsylvania and how to successfully produce trees in Pennsylvania. It is anticipated that the publication of data from the 2002 Agricultural Census and information collected in the coming months by the National Agricultural Statistics Service/ Pennsylvania Agricultural Statistics Service (NASS/PASS) will provide more accurate information. Weed Control This section provides information on weed control and various herbicides, and general field recommendations. Insect and Mite Control This section provides information about key pests of Christmas trees and the presence of these pests based on scouting reports in Pennsylvania. Disease Control This section provides information on disease management issues in Pennsylvania Christmas tree plantations, major disease problems, fungicides labeled for control, and future threats to the Christmas tree industry in Pennsylvania
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