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Results for: 'not sure'

2:01

Measuring Syrup Density

By: uvmext

Most people know that to make maple syrup you have to do a lot of boiling. You collect the sap from the trees and you evaporator the water while concentrating the sugars. You might not know that to determine if you actually have correct density sy...

1:19

Organic Maple Syrup

By: uvmext

Certified organic maple syrup is produced by many Vermont maple producers and generally commands a higher price in the marketplace. In order to legally market your syrup as "organic" an approved third-party certifier such as Vermont Organic Farmer...

1:14

Sugarbush Management 1

By: uvmext

Sugar makers rely on healthy, abundant maple trees to provide sap each spring. Taken together a group of maple trees managed for sap collection is called a sugarbush. Developing a healthy, productive sugarbush takes time and effort. Forests are hi...

1:31

Sugarbush Management 2

By: uvmext

Late summer, while leaves are still green is a good time to assess the trees in your sugarbush. Weak or declining individuals will show areas of crown dieback. Trees with more than 75% dieback will likely not survive but are still competing for li...

0:47

Vacuum

By: uvmext

Sap flows out of trees due to the difference in pressure between the inside and outside of the tree. In the 1950s, maple researchers and producers found that adding vacuum pumps to tubing systems could increase this pressure differential and there...

0:53

What's In The Sap?

By: uvmext

Maple sap, what's in it? Maple sap is a dilute solution of mainly water (95-99%) and sugar (1-5%), along with trace amounts of other substances, including: organic acids, free amino acids, protein, minerals, and phenolic compounds. Sap coming dire...

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 ...

1:49

2020 Crop Update #3

By: uvmext

The USDA National Agricultural Statistics Service or NASS has released the crop totals for the 2020 maple season. People familiar with maple sugaring might remember that it takes approximately 40 gallons of sap to make one gallon of syrup. This ra...

1:27:36

UVM Faculty Panel: Teaching in Tumultuous Times (Oct 28,2020)

By: ctl

This year, we've faced—and continue to face—events that have a great effect on all of us: the upcoming election, the pandemic, racialized police violence, social justice protests, and the Supreme Court transition, to name just a few. For facul...