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The University of Vermont Proctor Maple Research Center and the Cornell Maple Program Arnot Forest conducted a multi-year study examining several common sanitation strategies and assessing the effects on sap yield, attendant costs, and resulting net profits. The following graphs briefly summarize the results of this work.
These 9 variables are intended to help a potential commercial maple producer evaluate the relative merits of one or more selected woods for profitable maple production. A poor or medium rating does not mean that the woods should not be tapped but that production costs in money or labor will likely be higher or greater investments will be necessary to allow the sap collection to be established relative to other sites. Some problems may be avoided if the potential producer is a creative problem solver. Small-scale producers and hobby producers have less emphasis on financial return, so these variables are relevant but perhaps not weighted as heavily.
The advent of plastic tubing systems to collect sap has eliminated several problems associated with the traditional bucket system. However, plastic tubing systems also present some problems of their own. Sap quality problems arise if the lines sag and the sap lingers within the tubings or the large conduits. In addition, the warming effect of the sun increases the tem perature within the tubing to optimum levels for microbial growth and sap flow may decrease because of “organic buildup” on the internal tubing walls. This buildup is a result of the adhesion of microorganisms to the tubing walls.
The sugar maple tree (Acer saccharum) is most commonly used in maple sugaring, but all maples produce sap that can be converted to maple syrup. Though not as high in sugar content as the sugar maple, the sap of bigleaf maple trees (Acer macrophyllum) grown in the Pacific Northwest produces excellent syrup.
The sugar maple tree (Acer saccharum) is most commonly used in maple sugaring, but all maples produce sap that can be converted to maple syrup. Though not as high in sugar content as the sugar maple, the sap of bigleaf maple trees (Acer macrophyllum) grown in the Pacific Northwest produces excellent syrup.
Tapping best practices.
An important part of beginning or improving the tubing system in a maple enterprise is to have a good estimate of just how much the project will cost. Though there are many variables in installing a new or replacing an old system the cost of materials is predictable. Two factors allow you to make a reasonable estimate of what a sap collection system will cost in materials. The first is the number of taps per acre. The second is the density of trees.
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