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HST67/ENVS167#3-3: The Global Predominance of Agriculture-Based Empires
Lecture reviewing the long global predominance of agriculture-based empires.
The One About Fat Soluble Vitamins
In this video we talk about the fat soluble vitamins, A, D, E, and K! Check out what makes each one special, and in what foods or other sources you can find them. Fat vs. Water Soluble Vitamins - 0:56 Vitamin Functions - 2:01 Vitamin A - 2:5...
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...
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...
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...