Sap Flow, Wounding, & Compartmentalization in Maple
How does a tree respond to the wound created by a taphole, and what does that mean for future sap production?
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Sap flow, wounding and compartmentalization in maple
Explains how sap flows in trees and the impact that tapping has on subsequent years’ sap flow.
OMSPA Sugar Bush Management Final
Managing a sugarbush for maple production.
Effects of Tapping Depth on Sap Volume, Sap Sugar Content, and Syrup Yield Under High Vacuum
Tapping depth strongly influences both sap yield and wounding. Numerous studies have focused on the amount of sap produced with ifferent depths, the most extensive work conducted by Morrow (1963), who found a tendency for increasing sap yields with increasing taphole depth. However, this work was conducted on gravity with 7/16” tapholes, so is less informative to most producers using 5/16” spouts and vacuum.
What Causes Buddy Syrup and What Can Be Done to Prevent it?
Buddy off-flavour is an annual, natural occurrence that has been well recognized since the dawn of commercial maple production in the late 19th century. As we began our investigation there were two basic ideas for the sudden appearance of buddy syrup. The first was that heating sap containing elevated levels of particular amino acids produced compounds (pyrazines) that contributed to buddy off flavour. A more recent idea has been that yeasts in the sap convert sulfur-containing amino acids into compounds that explain the off flavours.
The Northeast Maple Economy: Crop Distribution and Outlook
As the US domestic maple syrup crop continues to grow the influence of different scales and types of business can shape local communities and national trends. Survey results presented here demonstrate the dramatic difference in the scale of maple enterprises as represented by tap count and the resulting working forest acres these businesses utilize.
Homemade Small Reverse Osmosis Machines
Small reverse osmosis machines can be built from consumer parts and can help small producers cut down on boiling time and energy use. This article offers tips on building such devices.
Plantation Development & Management
Managing trees planted for maple production.
Afforestation
Learn how to manage open areas returning to forest cover.
Factors Affecting Sap Yields from Maple Trees
Presents research on taps and tapping practices to maximize yield. Also explains sap flow and tree wounding.