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Results for: 'USDA Northeast Sustainable Agriculture Research and Education Program'

1:22

Hydrometers

By: uvmext

The Vermont maple law requires packaged maple syrup have a density of between 66.9 and 68.9 degrees Brix. Brix is a measure of sugar concentration in a pure sugar solution. Although we know there are other many dissolved minerals in maple syrup th...

1:37

Maple Seeds

By: uvmext

Sugar maple flowers that are fertilized in spring, will develop into mature seeds in late summer. The seeds come in the form of winged samaras (sometimes referred to as helicopters or whirligigs). Sugar maple samaras develop in pairs but generally...

1:40

Sugarbush Value

By: uvmext

The recent period of expansion in the maple industry has seen both established operations grow and many new operations start from scratch. Some real estate listings of land include estimated potential taps. But how many of those taps are actually ...

0:47

Syrup is Complex

By: uvmext

Compared to the relatively simple composition of maple sap, maple syrup has over 130 different identified flavor and aroma compounds. The predominant classes of flavor compounds are phenolics, pyrazines, and carbonyl-based compounds. Typically, li...

1:01

Why Does Sap Flow?

By: uvmext

Why Does Sap Flow from Maple Trees? Throughout the maple region, there are several weeks of alternating freeze and thaw temperatures each spring. This weather provides the right conditions for sap flow in maple. Unlike most trees, maples have tiny...

1:24

Shade Tolerance 2

By: uvmext

As trees form, the size and shape of its stem and crown, will be impacted by living in a low light environment such as the forest's understory. So-called suppressed trees are able to capture just enough sun to survive. Sugar maples growing in the ...

1:04:02

HDFS 161 Episode 10 Developing White Identity

By: lshelton

Professor Shelton applies develecology to his own experience growing up in America, to illuminate the development and nature of white identity, and then to suggest approaches to understanding and reducing racism.

0:11

PHYS021: Final Project: Video Data

By: jspiegle

A sample of video data of my contraption in motion. Due to poor lighting, as this was filmed at night, it will not be my final trial where I hit within 5 cm of 2 m, but I am at least demonstrating that my object is moving, and that I can record th...

5:50

University of Vermont Biology Thanksgiving: Gratitude in Science

By: tsoleary

Thanksgiving is traditionally a time to take a step back from the day-to-day grind and take a mental inventory of the things for which we are grateful: our family, friends, colleagues, homes, & health. This is especially important in a brutal year...