Explains how sap flows in trees and the impact that tapping has on subsequent years’ sap flow.
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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.
Presents research on taps and tapping practices to maximize yield. Also explains sap flow and tree wounding.
This video demonstrates how to properly tap a maple tree.
Dr. Abby van den Berg presentation on important factors to achieve high maple sap yields. Given at the December 2020 Vermont Maple Conference.
Dr. Tim Perkins presents an overview of recent research activities at the UVM Proctor Center at the 2020 Vermont Maple Conferences.
Dr. Abby van den Berg presenting on research on early tapping and taphole longevity strategies on sap yield and non-conductive wood (NCW) formation in maple trees at the Dec 2020 Vermont Maple Conference.
The feasibility of re-tapping maple trees during the sap season was tested in 2019 and 2020 at Cornell University’s Uihlein Maple Research Forest in Lake Placid, NY. This report summarizes that project.
A collection of videos from the 2020 VT maple conference.
How to collect the most sap possible using efficient techniques.