It also contains trace amounts of amino acids which increase in content as sap flow occurs.
12.
In Massachusetts, where sap flows weeks earlier than in northern New England, March is Maple Month by official gubernatorial proclamation.
13.
Sap is not tapped at night because the temperature drop inhibits sap flow, although taps are typically left in place overnight.
14.
The sap flow looks bad, and it can make a mess on cars parked underneath, but it poses no real danger.
15.
This year's abundant supplies will energize sap flow, making the conifers more resistant to disease and insects such as bark beetles.
16.
They feed on the foliage, but may occasionally constrict twigs so tightly that sap flow is restricted and gall-like swellings occur.
17.
They are the key element in the hydrology of this part of the system, especially to the Tonle Sap flow reversal.
18.
Transpiration rates of plants can be measured by a number of techniques, including potometers, lysimeters, porometers, photosynthesis systems and thermometric sap flow sensors.
19.
Manitoba maple syrup has a slightly different flavour from sugar-maple syrup, because it contains less sugar and the tree's sap flows more slowly.
20.
Even in the short time it takes to bring the tree home, sap flows out of the wound and clogs the vessels that carry water upward.
