2012 Maple Tubing Research
In 2012 a variety of spout and tubing cleaning and replacement options were tested to determine the extent of sap yield changes. These tests were done at the Cornell Arnot Research Forest.
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Age, allocation and availability of nonstructural carbon in mature red maple trees
The allocation of nonstructural carbon (NSC) to growth, metabolism and storage remains poorly understood, but is critical for the prediction of stress tolerance and mortality. We used the radiocarbon (14C) Ôbomb spikeÕ as a tracer of substrate and age of carbon in stemwood NSC, CO2 emitted by stems, tree ring cellulose and stump sprouts regenerated followingharvesting in mature red maple trees. We addressed the following questions: which factors influence the age of stemwood NSC?; to what extent is stored vs new NSC used for metabolism and growth?; and, is older, stored NSC available for use?
Beyond the Boil: Creative ideas for selling maple syrup and value-added products
Making value-added products, educating consumers, and creative strategies to bring visitors to your sugarhouse are all ways to increase profits for sugarmakers.
Birch syrup production to increase the economic sustainability of maple syrup production in the Northern Forest
A presentation on the potential value of adding birch syrup production to an existing maple operation.
Calcium and aluminum impacts on sugar maple physiology in a northern hardwood forest
Forests of northeastern North America have been exposed to anthropogenic acidic inputs for decades, resulting in altered cation relations and disruptions to associated physiological processes in multiple tree species, including sugar maple (Acer saccharum Marsh.). In the current study, the impacts of calcium (Ca) and aluminum (Al) additions on mature sugar maple physiology were evaluated at the Hubbard Brook Experimental Forest (Thornton, NH, USA) to assess remediation (Ca addition) or exacerbation (Al addition) of current acidified conditions. Fine root cation concentrations and membrane integrity, carbon (C) allocation, foliar cation concentrations and antioxidant activity, foliar response to a spring freezing event and reproductive ability (flowering, seed quantity, filled seed and seed germination) were evaluated for dominant sugar maple trees in a replicated plot study.
Effects of Acidic Deposition and Soil Acidification on Sugar Maple Trees in the Adirondack Mountains, New York
High levels of atmospheric sulfur (S) and nitrogen (N) deposition have substantially damaged ecosystems in the Adirondack Mountains of New York. Efforts to quantify damage have largely focused on aquatic effects2 However, limited recovery of surface water acid?base chemistry in response to large (>40%) decreases in S deposition over the past two to three decades has been attributed to depletion of soil calcium (Ca) and other base cations that may be ongoing despite declining acidic deposition. Availability of soil Ca has also been linked to changes in terrestrial faunal and vegetation communities in Adirondack hardwood forests.
Effects of spout and drop sanitation strategy on sap yield and net profit
An Excel spreadsheet that can be used to determine the effects of replacing or cleaning spouts and droplines on sap yield and profit.
Effects of Spout and Drop Sanitation Strategy on Sap Yield and Net Profit
Calculates projected sap yield and net profits based upon known relationships between tubing aging and various management strategies under vacuum conditions.
Growth Rates of Trees Tapped With High-Yield Sap Collection Practices – Are Conservative Tapping Guidelines Sustainable?
The overall objective of this work was to determine whether existing Conservative Tapping Guidelines are appropriate and likely to result in sustainable outcomes when used with sap collection practices that result in higher sap yields.
Remaking Maple
Overview of new method of gathering sap from sugar maple saplings.