In New Zealand there are a number of
standard equations published by
various organisations. These reflect
regional pasture types. If you wish to
change an equation or select
alternative species you will need to
contact your consultant. Traditionally
the equation of height X 158 plus 200
was used however there has been a
series of equations produced to reflect
changes in pasture types and
physiological state (vegetative,
flowering, seed head) which can alter
DM levels in the paddock.
A more accurate calibration can be
achieved by taking cuttings or your
consultant may be able to advise you
on the most appropriate equation for
your situation. This particularly applies
to pastures under irrigation.
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