Parameters used to measure plant growth were plant height,
stem density, and fresh and dry weight of the aboveground plant
parts (leaves and stems).
The data were analyzed on 5-year-old plants. The measurements were carried out on plants which were cut back to a height
of 40cm above the gravel bed in November 2011 and were
interruptedfromthequiescenceoftheplants (December–January)
to March both 2012 and 2013.
Plant height was determined fortnightly by measuring the
maximum height of 10 plants selected randomly at initial, in the