Showing 21 – 23 of 23 resources
The North American Maple Project, begun in 1988 with the goal of evaluating and monitoring trees from Nova Scotia to Minnesota, was initiated to answer many questions, which could be summed up as: what is the current health of sugar maple in these various regions, and is it getting better, worse, or staying the same?
A vacuum pump attached to a well-designed tubing system will significantly boost sap flow compared to gravity sap collection, by increasing the difference in pressure between the tree, the source of the sap, and the tubing, where we want the sap to flow. A vacuum pump, however, will not deliver much, if any, vacuum to the trees if the tubing system is not tight and leak-free. This article gives basic instructions on how to check for those leaks, and how to fix them.
How to increase efficiency of evaporators of various fuel types.