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Some quick tips to achieve higher sap yield

Increasing the yield of sap from maple trees is the goal of most maple producers. While getting there isn’t a matter of one simple thing, by
following best management practices and paying attention to detail it is possible to increase sap yields, often quite dramatically. Includes links to videos.

Some quick tips to achieve higher sap yield

Increasing the yield of sap from maple trees is the goal of most maple producers. While getting there isnÕt a matter of one simple thing, by following best management practices and paying attention to detail it is possible to increase sap yields, often quite dramatically.

Sugar Profiles of Maple Syrup Grades

Although many analyses of the chemical composition of maple syrup have been conducted, relatively little information exists on the differences in composition of the individual syrup grades. As a first step in acquiring this information we performed a study to determine the characteristic sugar composition of each maple syrup grade.

Taphole Staining and Sap Yields

The compartmentalization (walling off) process in maple trees and how it affects how to tap for maple syrup production.

Tapping Zone Model – Tubing

This model estimates the proportion of clear, conductive wood in the tapping zone of an individual tree each year (for 100 years) based on the values input for tree diameter, tapping depth, spout size, number of taps, and dropline length. This is equivalent to the chances of tapping into conductive wood in this tree each year Ð if 80% of the wood in the tapping zone is conductive, you have an 80% chance of hitting conductive wood when you tap that tree. The model can be used to estimate whether various tapping practices are likely to be sustainable. A more complete description of the model and guidelines for its use can be found in the companion technical report “A Model of the Tapping Zone”, which is available on the UVM-PMRC website (http://www.uvm.edu/~pmrc).

Technical Position Paper on Air Injection

The use of air injection technology in the maple industry can be defined as: the forced introduction of air through a series of perforated pipes submerged in the boiling sap in the front and /or back pan of a maple syrup evaporator. Several studies conducted in recent years have investigated aspects of the use of air injection technology in the process of maple syrup production.

Temperature Patterns with an Oil-Fired Evaporator

Knowing the temperature in the evaporator is an essential part to making quality pure maple syrup. This article will discuss observations of temperature in each partition and how the front and back pans temperatures are influenced by the draw off events.