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. 2022 Dec 12;10:e14410. doi: 10.7717/peerj.14410

Table 2. Studies of sap flux density in response to calcium silicate addition showing the dates, number of years since treatment and the number of trees of each species used in analysis in each treatment plot.

The calcium silicate treatment was applied in 2011, except that in Hubbard Brook Successional it was applied in 2015.

Dates (# of years post treatment) Stand Species Number of trees in treatment
Control Calcium Silicate
July 19, 2013 (2) Jeffers Brook Mature Sugar maple 4 2
Yellow birch 3 1
August 5, 2013 (2) Bartlett Mature (C8) American beech 2 3
Sugar maple 3 3
August 5, 2013 (2) Hubbard Brook Mature American beech 2 2
Sugar maple 2 2
Yellow birch 2 1
June 22–24, 2014 (3) Bartlett Mature (C8) Sugar maple 3 2
July 1, 2014 (3) Hubbard Brook Mature American beech 3 2
Sugar maple 3 2
Yellow birch 3 1
August 1, 2 and 5, 2014 (3) Jeffers Brook Mature Sugar maple 4 4
Yellow birch 3 5
July 22 and 23, 2015 (4) Bartlett Successional (C6) White birch 4 4
July 31 and August 1, 2017 (6) Bartlett Mature (C8) Sugar maple 5 4
July 19–21, 2018 (3) Hubbard Brook Successional Red maple 3 3
Sugar maple 3 3
White birch 3 3