Leaks on 5/16” Maple Tubing and Mainline
Detecting and correcting vacuum leaks in maple tubing systems.
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Lecanium Scale: What A Sticky Mess!
If you have a sugarbush in the Northeast, you may have noticed brown scale insects, sticky dripping honeydew, and black sooty mold on your sugar maple leaves in 2005 and 2006. That most likely was European fruit lecanium scale, Parthenolecanium corni.
Limitations in the Use of Ozone to Disinfect Maple Sap
This article reports on experiments to determine the usefulness of ozone as a method of reducing the microbial levels in maple sap.
Long-term average a better predictor of air temperature
Short and long-range weather forecasts can both be useful to determine the proper time to tap. But both also have limitations.
Long-term calcium addition increases growth release, wound closure, and health of sugar maple (Acer saccharum) trees at the Hubbard Brook Experimental Forest
We surveyed and wounded forest-grown sugar maple (Acer sacchamm Marsh.) trees in a long-term, replicated Ca manipulation study at the Hubbard Brook Experimental Forest in New Hampshire, USA. Plots received applications of Ca (to boost Ca availability above depleted ambient levels) or A1 (to compete with Ca uptake and further reduce Ca availability). We found significantly greater total foliar and membrane-associated Ca in foliage of trees in plots fertilized with Ca when compared with trees from Al-addition and control plots (P = 0.005).
Long-Term Effects of Forest Liming on Soil, Soil Leachate, and Foliage Chemistry in Northern Pennsylvania
Sugar maple (Acer saccharum Marsh.) decline disease, decreased growth, and regeneration failure have been related to a low supply of Ca and Mg. There is increased interest in augmenting cation availability via liming, but there is little information on the amounts of lime required and the longevity of the lime treatment. A single application of 22.4 Mg ha-1 of dolomitic limestone in 1985 at four forested sites in Potter County, PA has shown that soil, soil water, and sugar maple foliage chemistry are significantly altered by liming and the changes in soils and foliage persist as long as 21-yr post-treatment. By 2001, only 3 kg ha-1 of lime remained undissolved while increases in exchangeable Ca and Mg, and pH continued through 2006 at depths up to 35 to 45 cm.
Long-term impact of liming on growth and vigor of northern hardwoods
Sugar maple (Acer saccharum Marsh.) is a keystone species in the northern hardwood forest, and decline episodes have negatively affected the growth and health of sugar maple in portions of its range over the past 50+ years. Crown health, growth, survival, and flower and seed production of sugar maple were negatively affected by a widespread decline event in the mid-1980s on the unglaciated Allegheny Plateau in northern Pennsylvania. A long-term liming study was initiated in 1985 to evaluate responses to a one-time application of 22.4 MgáhaÐ1 of dolomitic limestone in four northern hardwood stands.
Magnetic Induction-Powered Evaporation: An Experimental Design
Magnetic induction heating is a highly efficient and novel means of heating food products. This project investigated the potential for using magnetic induction to improve the efficiency of evaporation in the maple industry.
Maintaining a Healthy Sugarbush
A sugarbush is a special type of woodland. Woodlands include a complex mixture of natural processes and attributes such as soil type, elevation, tree species, types of wildlife, history of use, tree age and more. Foresters can help maple producers gain an in-depth understanding of these factors to achieve a healthy and productivity sugarbush, but there are several steps a maple producer can take on their own.
Maintaining a Healthy Sugarbush
Maple producers benefit from spending time, and maybe some money, ensuring they have a healthy and productive sugarbush.