Drilling into birch tree to reach out the sap providing layer. This way I found it the best, as you can harvest about 5 to 7 liter a day (it depends on tree size, location and age. This birch tree about 30 cm dia and about 40 years old. Best time for harvesting sap is just after late winter or early spring (before leave grow) Birch sap is very healthy, full of nutrients and it have very light sweet fresh water test. I read in one article that birch sap is improve liver health. You can also use this method to supply your self with drinking water in middle of forest if no clean water around. Please take care of the tree after you finish using push one suitable birch dry wood into the leaking hole and preferably seal it with bee wax. So the tree will not leak to death and the wond will not be infected.
Thank you and all the best my friends
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